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		<id>http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=284990&amp;oldid=prev</id>
		<title>ThanhFbb77033 le 19 octobre 2017 à 21:37</title>
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				<updated>2017-10-19T21:37:09Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Version du 19 octobre 2017 à 21:37&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;produced &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;goal &lt;/del&gt;of restricting the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;effects &lt;/del&gt;of lens(chromatic and spherical) aberration. Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;have been &lt;/del&gt;adjusted to bring two wavelengths to focus in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;precisely &lt;/del&gt;the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;also &lt;/del&gt;Called chromatic distortion and spherochromatism, is a result caused from dispersion due to the failure of a lens to focus all &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colors &lt;/del&gt;to the identical convergence point. When white light passes through glass, every wavelength &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;component &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;light is separated and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrates &lt;/del&gt;at several points on a plane. Chromatic aberration &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;appear &lt;/del&gt;as &amp;quot;fringes&amp;quot; of color &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;combined &lt;/del&gt;borders that separate dark and bright parts of the image, due to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;every colour &lt;/del&gt;in the optical spectrum &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cannot &lt;/del&gt;be &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrated &lt;/del&gt;at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;that occurs &lt;/del&gt;in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as a result of gain &lt;/del&gt;of refraction of light &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;beams as soon as &lt;/del&gt;it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/del&gt;image will &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;end &lt;/del&gt;in imperfection. Both this phenomenon &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;signifies &lt;/del&gt;that the lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;isn't &lt;/del&gt;functioning normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;frequent sort &lt;/del&gt;of achromat lens. Generally, it is composed of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 individual &lt;/del&gt;lenses made from glasses with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;various &lt;/del&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;use 2 &lt;/del&gt;Different glass substances of distinct dispersion to refocus the individual wavelengths of light &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;to one &lt;/del&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;may &lt;/del&gt;be Used to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;adjust &lt;/del&gt;the line of sight and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/del&gt;laser beams. These lenses are commonly &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;used &lt;/del&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;client&lt;/del&gt;'s specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;See source for this article&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;produced &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;for &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;purpose &lt;/ins&gt;of restricting the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;consequences &lt;/ins&gt;of lens(chromatic and spherical) aberration. Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;are &lt;/ins&gt;adjusted to bring two wavelengths to focus in the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;too &lt;/ins&gt;Called chromatic distortion and spherochromatism, is a result caused from dispersion due to the failure of a lens to focus all &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colours &lt;/ins&gt;to the identical convergence point. When white light passes through glass, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;then &lt;/ins&gt;every wavelength &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;element &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/ins&gt;light is separated and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focuses &lt;/ins&gt;at several points on a plane. Chromatic aberration &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;seem &lt;/ins&gt;as &amp;quot;fringes&amp;quot; of color &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;along &lt;/ins&gt;borders that separate dark and bright parts of the image, due to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;each color &lt;/ins&gt;in the optical spectrum &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can't &lt;/ins&gt;be &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focused &lt;/ins&gt;at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;which happens &lt;/ins&gt;in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;due to the increase &lt;/ins&gt;of refraction of light &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;rays when &lt;/ins&gt;it strikes the lens. The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/ins&gt;image will &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;result &lt;/ins&gt;in imperfection. Both this phenomenon &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;suggests &lt;/ins&gt;that the lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is not &lt;/ins&gt;functioning normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;common type &lt;/ins&gt;of achromat lens. Generally, it is composed of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;two separate &lt;/ins&gt;lenses made from glasses with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/ins&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;utilize two &lt;/ins&gt;Different glass substances of distinct dispersion to refocus the individual wavelengths of light &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;into a single &lt;/ins&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can &lt;/ins&gt;be Used to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;correct &lt;/ins&gt;the line of sight and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/ins&gt;laser beams. These lenses are commonly &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;utilized &lt;/ins&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;customer&lt;/ins&gt;'s specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;More information: Read the Full Report&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ThanhFbb77033</name></author>	</entry>

	<entry>
		<id>http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=284421&amp;oldid=prev</id>
		<title>ThanhFbb77033 le 19 octobre 2017 à 19:31</title>
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				<updated>2017-10-19T19:31:45Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='fr'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Version du 19 octobre 2017 à 19:31&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/del&gt;an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;created &lt;/del&gt;with the goal of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;limiting &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;consequences &lt;/del&gt;of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;attract &lt;/del&gt;two wavelengths to focus in the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;exact &lt;/del&gt;same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;too &lt;/del&gt;Called chromatic distortion and spherochromatism, is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;an effect generated &lt;/del&gt;from dispersion &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as a result of &lt;/del&gt;failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, every wavelength &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;element &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/del&gt;light is separated and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;focuses &lt;/del&gt;at &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/del&gt;points &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;onto &lt;/del&gt;a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color combined borders that separate &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;bright and &lt;/del&gt;dark parts of the image, due to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;each &lt;/del&gt;colour in the optical spectrum cannot be concentrated at &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a single &lt;/del&gt;common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;happens &lt;/del&gt;in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;due to the &lt;/del&gt;gain of refraction of light &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;rays when &lt;/del&gt;it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/del&gt;image will &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;result &lt;/del&gt;in imperfection. Both this &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;happening &lt;/del&gt;signifies that the lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is not &lt;/del&gt;functioning normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;common type &lt;/del&gt;of achromat lens. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Normally&lt;/del&gt;, it is composed of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;two &lt;/del&gt;individual lenses made from glasses with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/del&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;utilize two &lt;/del&gt;Different glass substances of distinct dispersion to refocus the individual wavelengths of light to one focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to adjust the line of sight and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/del&gt;laser beams. These lenses are commonly &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;utilized &lt;/del&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;customer&lt;/del&gt;'s specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;More at achromatic doublet&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/ins&gt;with the goal of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;restricting &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;effects &lt;/ins&gt;of lens(chromatic and spherical) aberration. Achromatic lenses have been adjusted to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bring &lt;/ins&gt;two wavelengths to focus in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;precisely &lt;/ins&gt;the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;also &lt;/ins&gt;Called chromatic distortion and spherochromatism, is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;a result caused &lt;/ins&gt;from dispersion &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;due to the &lt;/ins&gt;failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, every wavelength &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;component &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/ins&gt;light is separated and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concentrates &lt;/ins&gt;at &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;several &lt;/ins&gt;points &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;on &lt;/ins&gt;a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color combined borders that separate dark &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and bright &lt;/ins&gt;parts of the image, due to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;every &lt;/ins&gt;colour in the optical spectrum cannot be concentrated at &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;one &lt;/ins&gt;common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;occurs &lt;/ins&gt;in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as a result of &lt;/ins&gt;gain of refraction of light &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;beams as soon as &lt;/ins&gt;it strikes the lens. The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/ins&gt;image will &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;end &lt;/ins&gt;in imperfection. Both this &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;phenomenon &lt;/ins&gt;signifies that the lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;isn't &lt;/ins&gt;functioning normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;your &lt;/ins&gt;Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;frequent sort &lt;/ins&gt;of achromat lens. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Generally&lt;/ins&gt;, it is composed of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;individual lenses made from glasses with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;various &lt;/ins&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;use 2 &lt;/ins&gt;Different glass substances of distinct dispersion to refocus the individual wavelengths of light to one focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to adjust the line of sight and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/ins&gt;laser beams. These lenses are commonly &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;used &lt;/ins&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;client&lt;/ins&gt;'s specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;See source for this article&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ThanhFbb77033</name></author>	</entry>

	<entry>
		<id>http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=280914&amp;oldid=prev</id>
		<title>ThanhFbb77033 le 19 octobre 2017 à 00:13</title>
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				<updated>2017-10-19T00:13:35Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Version du 19 octobre 2017 à 00:13&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What's an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is created with the goal of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;restricting &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;effects &lt;/del&gt;of lens(chromatic and spherical) aberration. Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are &lt;/del&gt;adjusted to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;bring &lt;/del&gt;two wavelengths to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;precisely &lt;/del&gt;the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/del&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect generated from dispersion &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;due to the &lt;/del&gt;failure of a lens to focus all colors to the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;same &lt;/del&gt;convergence point. When white light passes through glass, every wavelength element of this light is separated and focuses at different points onto a plane. Chromatic aberration &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;seem &lt;/del&gt;as &amp;quot;fringes&amp;quot; of color &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;along boundaries &lt;/del&gt;that separate &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;dark and &lt;/del&gt;bright parts of the image, due to each &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;color &lt;/del&gt;in the optical spectrum cannot be concentrated at &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;one &lt;/del&gt;common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/del&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;which &lt;/del&gt;happens in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as a result of &lt;/del&gt;gain of refraction of light rays when it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/del&gt;image will &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;end &lt;/del&gt;in imperfection. Both this &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;phenomenon suggests &lt;/del&gt;that the lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;isn't working &lt;/del&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;your &lt;/del&gt;Most common type of achromat lens. Normally, it &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;consists &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 separate &lt;/del&gt;lenses made from glasses with different amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;use &lt;/del&gt;two Different glass &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;materials &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/del&gt;dispersion to refocus the individual wavelengths of light to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a single &lt;/del&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can &lt;/del&gt;be Used to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;correct &lt;/del&gt;the line of sight and focus laser beams. These lenses are &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;widely used &lt;/del&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;client&lt;/del&gt;'s specifications. More &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Info: click here...&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What's an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is created with the goal of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;limiting &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;consequences &lt;/ins&gt;of lens(chromatic and spherical) aberration. Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;have been &lt;/ins&gt;adjusted to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;attract &lt;/ins&gt;two wavelengths to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/ins&gt;in the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;exact &lt;/ins&gt;same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect generated from dispersion &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as a result of &lt;/ins&gt;failure of a lens to focus all colors to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;identical &lt;/ins&gt;convergence point. When white light passes through glass, every wavelength element of this light is separated and focuses at different points onto a plane. Chromatic aberration &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;appear &lt;/ins&gt;as &amp;quot;fringes&amp;quot; of color &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;combined borders &lt;/ins&gt;that separate bright &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and dark &lt;/ins&gt;parts of the image, due to each &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colour &lt;/ins&gt;in the optical spectrum cannot be concentrated at &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;a single &lt;/ins&gt;common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;that &lt;/ins&gt;happens in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;due to the &lt;/ins&gt;gain of refraction of light rays when it strikes the lens. The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/ins&gt;image will &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;result &lt;/ins&gt;in imperfection. Both this &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;happening signifies &lt;/ins&gt;that the lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is not functioning &lt;/ins&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/ins&gt;Most common type of achromat lens. Normally, it &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is composed &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;two individual &lt;/ins&gt;lenses made from glasses with different amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;utilize &lt;/ins&gt;two Different glass &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;substances &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;distinct &lt;/ins&gt;dispersion to refocus the individual wavelengths of light to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;one &lt;/ins&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;may &lt;/ins&gt;be Used to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adjust &lt;/ins&gt;the line of sight and focus laser beams. These lenses are &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;commonly utilized &lt;/ins&gt;in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;customer&lt;/ins&gt;'s specifications. More &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;at achromatic doublet&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key celsius_wiki-moh_:diff:version:1.11a:oldid:280750:newid:280914 --&gt;
&lt;/table&gt;</summary>
		<author><name>ThanhFbb77033</name></author>	</entry>

	<entry>
		<id>http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=280750&amp;oldid=prev</id>
		<title>ThanhFbb77033 le 18 octobre 2017 à 23:18</title>
		<link rel="alternate" type="text/html" href="http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=280750&amp;oldid=prev"/>
				<updated>2017-10-18T23:18:35Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='fr'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Version du 18 octobre 2017 à 23:18&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'s produced &lt;/del&gt;with the goal of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;limiting &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;consequences &lt;/del&gt;of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to bring two wavelengths to concentrate in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a result caused &lt;/del&gt;from dispersion due to the failure of a lens to focus all &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colours &lt;/del&gt;to the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;identical &lt;/del&gt;convergence point. When white light passes through glass, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;then each &lt;/del&gt;wavelength element of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;light is separated and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrates &lt;/del&gt;at different points onto a plane. Chromatic aberration &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;appear &lt;/del&gt;as &amp;quot;fringes&amp;quot; of color &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;combined borders &lt;/del&gt;that separate &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;bright and &lt;/del&gt;dark parts of the image, due to each &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colour &lt;/del&gt;in the optical spectrum &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can't &lt;/del&gt;be concentrated at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect which &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;occurs &lt;/del&gt;in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;due to the increase &lt;/del&gt;of refraction of light rays &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as soon as &lt;/del&gt;it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/del&gt;image will &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;result &lt;/del&gt;in imperfection. Both this phenomenon suggests that the lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is not functioning &lt;/del&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;frequent &lt;/del&gt;type of achromat lens. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Generally&lt;/del&gt;, it &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is composed &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;two individual &lt;/del&gt;lenses made from glasses with different amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/del&gt;Different glass &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;substances &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;distinct &lt;/del&gt;dispersion to refocus the individual wavelengths of light to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;one &lt;/del&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses can be Used to correct the line of sight and focus laser beams. These lenses are &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;commonly &lt;/del&gt;used in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;customer&lt;/del&gt;'s specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For more infos visit just &lt;/del&gt;click &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the up coming site&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is created &lt;/ins&gt;with the goal of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;restricting &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;effects &lt;/ins&gt;of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to bring two wavelengths to concentrate in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;an effect generated &lt;/ins&gt;from dispersion due to the failure of a lens to focus all &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colors &lt;/ins&gt;to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;same &lt;/ins&gt;convergence point. When white light passes through glass, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;every &lt;/ins&gt;wavelength element of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/ins&gt;light is separated and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focuses &lt;/ins&gt;at different points onto a plane. Chromatic aberration &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;seem &lt;/ins&gt;as &amp;quot;fringes&amp;quot; of color &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;along boundaries &lt;/ins&gt;that separate dark &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and bright &lt;/ins&gt;parts of the image, due to each &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;color &lt;/ins&gt;in the optical spectrum &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cannot &lt;/ins&gt;be concentrated at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect which &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;happens &lt;/ins&gt;in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as a result of gain &lt;/ins&gt;of refraction of light rays &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;when &lt;/ins&gt;it strikes the lens. The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/ins&gt;image will &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;end &lt;/ins&gt;in imperfection. Both this phenomenon suggests that the lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;isn't working &lt;/ins&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;common &lt;/ins&gt;type of achromat lens. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Normally&lt;/ins&gt;, it &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;consists &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 separate &lt;/ins&gt;lenses made from glasses with different amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;two &lt;/ins&gt;Different glass &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;materials &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/ins&gt;dispersion to refocus the individual wavelengths of light to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;a single &lt;/ins&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses can be Used to correct the line of sight and focus laser beams. These lenses are &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;widely &lt;/ins&gt;used in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;client&lt;/ins&gt;'s specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;More Info: &lt;/ins&gt;click &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;here...&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ThanhFbb77033</name></author>	</entry>

	<entry>
		<id>http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=279689&amp;oldid=prev</id>
		<title>ThanhFbb77033 le 18 octobre 2017 à 18:06</title>
		<link rel="alternate" type="text/html" href="http://www.marchofhistory.com/wiki/index.php?title=Utilisateur:ThanhFbb77033&amp;diff=279689&amp;oldid=prev"/>
				<updated>2017-10-18T18:06:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='fr'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Version du 18 octobre 2017 à 18:06&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that's &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;created for &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;purpose &lt;/del&gt;of limiting the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;effects &lt;/del&gt;of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;attract &lt;/del&gt;two wavelengths to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/del&gt;in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result caused from dispersion due to the failure of a lens to focus all &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colors &lt;/del&gt;to the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;same &lt;/del&gt;convergence point. When white light passes through glass, then each wavelength &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;component &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/del&gt;light is separated and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;focuses &lt;/del&gt;at different points &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;on &lt;/del&gt;a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;along &lt;/del&gt;borders that separate bright and dark parts of the image, due to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;every &lt;/del&gt;colour in the optical spectrum can't be concentrated at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/del&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;that happens &lt;/del&gt;in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as a result of gain &lt;/del&gt;of refraction of light rays &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;when &lt;/del&gt;it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/del&gt;image will &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;end &lt;/del&gt;in imperfection. Both this &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;happening signifies &lt;/del&gt;that the lens is not &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;working &lt;/del&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;common &lt;/del&gt;type of achromat lens. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Normally&lt;/del&gt;, it is composed of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 separate &lt;/del&gt;lenses made from glasses with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;various &lt;/del&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use 2 Different glass &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;materials &lt;/del&gt;of distinct dispersion to refocus the individual wavelengths of light &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;into &lt;/del&gt;one focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;may &lt;/del&gt;be Used to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;adjust &lt;/del&gt;the line of sight and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/del&gt;laser beams. These lenses are &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;widely &lt;/del&gt;used in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to customer's specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;More information: [http://sphericallenses.greatwebsitebuilder.com/home/spherical-lenses [http://sphericallenses.greatwebsitebuilder.com/home/spherical-lenses &lt;/del&gt;just click the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;following website]]&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that's &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;produced with &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;goal &lt;/ins&gt;of limiting the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;consequences &lt;/ins&gt;of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bring &lt;/ins&gt;two wavelengths to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/ins&gt;in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result caused from dispersion due to the failure of a lens to focus all &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;colours &lt;/ins&gt;to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;identical &lt;/ins&gt;convergence point. When white light passes through glass, then each wavelength &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;element &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/ins&gt;light is separated and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concentrates &lt;/ins&gt;at different points &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;onto &lt;/ins&gt;a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;combined &lt;/ins&gt;borders that separate bright and dark parts of the image, due to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;each &lt;/ins&gt;colour in the optical spectrum can't be concentrated at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;which occurs &lt;/ins&gt;in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;due to the increase &lt;/ins&gt;of refraction of light rays &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as soon as &lt;/ins&gt;it strikes the lens. The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;produced &lt;/ins&gt;image will &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;result &lt;/ins&gt;in imperfection. Both this &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;phenomenon suggests &lt;/ins&gt;that the lens is not &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;functioning &lt;/ins&gt;normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;frequent &lt;/ins&gt;type of achromat lens. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Generally&lt;/ins&gt;, it is composed of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;two individual &lt;/ins&gt;lenses made from glasses with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/ins&gt;amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use 2 Different glass &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;substances &lt;/ins&gt;of distinct dispersion to refocus the individual wavelengths of light &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/ins&gt;one focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can &lt;/ins&gt;be Used to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;correct &lt;/ins&gt;the line of sight and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/ins&gt;laser beams. These lenses are &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;commonly &lt;/ins&gt;used in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to customer's specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;For more infos visit &lt;/ins&gt;just click the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;up coming site&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ThanhFbb77033</name></author>	</entry>

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		<summary type="html">&lt;p&gt;Page créée avec « What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that&amp;#039;s created for the purpose of limiting the effects of lens(chromatic and spherical) aberrat... »&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nouvelle page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;What is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that's created for the purpose of limiting the effects of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to focus in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What is a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is a result caused from dispersion due to the failure of a lens to focus all colors to the same convergence point. When white light passes through glass, then each wavelength component of this light is separated and focuses at different points on a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color along borders that separate bright and dark parts of the image, due to every colour in the optical spectrum can't be concentrated at one common point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What's a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect that happens in a lens as a result of gain of refraction of light rays when it strikes the lens. The generated image will end in imperfection. Both this happening signifies that the lens is not working normally.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic double lenses&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic doublet is your Most common type of achromat lens. Normally, it is composed of 2 separate lenses made from glasses with various amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use 2 Different glass materials of distinct dispersion to refocus the individual wavelengths of light into one focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to adjust the line of sight and concentrate laser beams. These lenses are widely used in high quality digital imaging, surface inspection, and spectroscopy applications.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Shanghai Optics Specializes in manufacturing high precision custom Achromatic doublet lenses According to customer's specifications. More information: [http://sphericallenses.greatwebsitebuilder.com/home/spherical-lenses [http://sphericallenses.greatwebsitebuilder.com/home/spherical-lenses just click the following website]].&lt;/div&gt;</summary>
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