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		<id>http://osm-icons.org/index.php?action=history&amp;feed=atom&amp;title=User%3ASeanHsq265</id>
		<title>User:SeanHsq265 - Revision history</title>
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		<updated>2026-05-01T12:17:47Z</updated>
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	<entry>
		<id>http://osm-icons.org/index.php?title=User:SeanHsq265&amp;diff=101325&amp;oldid=prev</id>
		<title>SeanHsq265 at 20:04, 19 October 2017</title>
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				<updated>2017-10-19T20:04:28Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 20:04, 19 October 2017&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;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 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 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is produced with &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;goal &lt;/del&gt;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 &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;focus &lt;/del&gt;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 &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 &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;due to the &lt;/del&gt;failure of a lens to focus all colors to the identical 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 the light is separated and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concentrates &lt;/del&gt;at &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;several &lt;/del&gt;points onto a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;along &lt;/del&gt;borders that separate dark &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and bright &lt;/del&gt;parts of the image, due to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;each color &lt;/del&gt;in the optical spectrum &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can't &lt;/del&gt;be focused 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 due to the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;gain &lt;/del&gt;of refraction of light rays when it strikes the lens. The produced image will result 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 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 the Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;frequent &lt;/del&gt;sort 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;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 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;materials &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 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;to a single &lt;/del&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;correct &lt;/del&gt;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;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;customer&lt;/del&gt;'s specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For more infos &lt;/del&gt;visit &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[https://jamescardinal011.wixsite.com/cylindricallens/single-post/2017/10/16/Where-To-Find-The-Cylindrical-Lenses [https://jamescardinal011.wixsite.com/cylindricallens/single-post/2017/10/16/Where-To-Find-The-Cylindrical-Lenses Visit This Link]]&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&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s created for &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;purpose &lt;/ins&gt;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 &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;concentrate &lt;/ins&gt;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&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 &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;as a result of &lt;/ins&gt;failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;every &lt;/ins&gt;wavelength element of the light is separated and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focuses &lt;/ins&gt;at &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;different &lt;/ins&gt;points onto a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;combined &lt;/ins&gt;borders that separate &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bright and &lt;/ins&gt;dark parts of the image, due to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;every colour &lt;/ins&gt;in the optical spectrum &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cannot &lt;/ins&gt;be focused 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 due to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;increase &lt;/ins&gt;of refraction of light rays when it strikes the lens. The produced image will result 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 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 the Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;common &lt;/ins&gt;sort 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;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 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;substances &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 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;into one &lt;/ins&gt;focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adjust &lt;/ins&gt;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;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;client&lt;/ins&gt;'s specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;More information: &lt;/ins&gt;visit &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the following web site&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SeanHsq265</name></author>	</entry>

	<entry>
		<id>http://osm-icons.org/index.php?title=User:SeanHsq265&amp;diff=100543&amp;oldid=prev</id>
		<title>SeanHsq265: Created page with &quot;What's an achromatic lens?&lt;br&gt;&lt;br&gt;An achromatic lens or Achromat is a lens that is produced with the goal of limiting the consequences of lens(chromatic and spherical) aberrat...&quot;</title>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:SeanHsq265&amp;diff=100543&amp;oldid=prev"/>
				<updated>2017-10-19T00:57:33Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;What&amp;#039;s an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is produced with the goal of limiting the consequences of lens(chromatic and spherical) aberrat...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&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 produced with the goal of limiting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to bring two wavelengths to focus in the exact 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, also Called chromatic distortion and spherochromatism, is an effect generated from dispersion due to the failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, then each wavelength element of the light is separated and concentrates at several points onto a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color along borders that separate dark and bright parts of the image, due to each color in the optical spectrum can't be focused 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 which happens in a lens due to the gain of refraction of light rays when it strikes the lens. The produced image will result in imperfection. Both this phenomenon suggests that the lens isn't 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 the Most frequent sort of achromat lens. Generally, it is composed of 2 individual 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 to a single focal point.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses may be Used to correct the line of sight and focus laser beams. These lenses are commonly 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. For more infos visit [https://jamescardinal011.wixsite.com/cylindricallens/single-post/2017/10/16/Where-To-Find-The-Cylindrical-Lenses [https://jamescardinal011.wixsite.com/cylindricallens/single-post/2017/10/16/Where-To-Find-The-Cylindrical-Lenses Visit This Link]].&lt;/div&gt;</summary>
		<author><name>SeanHsq265</name></author>	</entry>

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