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		<id>http://osm-icons.org/index.php?action=history&amp;feed=atom&amp;title=User%3ASVHCathy5417310</id>
		<title>User:SVHCathy5417310 - Revision history</title>
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		<updated>2026-05-01T13:17:44Z</updated>
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		<id>http://osm-icons.org/index.php?title=User:SVHCathy5417310&amp;diff=101461&amp;oldid=prev</id>
		<title>SVHCathy5417310 at 21:55, 19 October 2017</title>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:SVHCathy5417310&amp;diff=101461&amp;oldid=prev"/>
				<updated>2017-10-19T21:55:21Z</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;
				&lt;col class=&quot;diff-content&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 21:55, 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 is an achromatic lens?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;An achromatic lens or Achromat is a lens that is 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 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;limiting &lt;/del&gt;the consequences of lens(chromatic and spherical) aberration. Achromatic lenses &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are &lt;/del&gt;adjusted to attract two wavelengths to concentrate 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's 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 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;colors &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;each &lt;/del&gt;wavelength &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;component &lt;/del&gt;of this light is separated and concentrates at several points &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;onto &lt;/del&gt;a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color along boundaries that separate bright &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and dark &lt;/del&gt;parts of the image, due to every &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;colour &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 is a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect that occurs in a lens &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;as a result of gain &lt;/del&gt;of refraction of light beams when 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 happening suggests 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;the &lt;/del&gt;Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;frequent &lt;/del&gt;type of achromat lens. Normally, it &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;consists &lt;/del&gt;of 2 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;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 &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;substances &lt;/del&gt;of different 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 may be Used to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;adjust &lt;/del&gt;the line of sight and focus laser beams. These lenses are widely utilized 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 client's specifications. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;E.g. [http://sphericallenses.page.tl/Home.htm [http://sphericallenses.page.tl/Home.htm helpful resources]]&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 is 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 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;restricting &lt;/ins&gt;the consequences of lens(chromatic and spherical) aberration. Achromatic lenses &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;have been &lt;/ins&gt;adjusted to attract two wavelengths to concentrate 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's 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 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;colours &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;then every &lt;/ins&gt;wavelength &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;element &lt;/ins&gt;of this light is separated and concentrates at several points &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;on &lt;/ins&gt;a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color along boundaries that separate &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dark and &lt;/ins&gt;bright parts of the image, due to every &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;color &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 is a spherical aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Spherical aberration is an Optical effect that occurs in a lens &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;due to the increase &lt;/ins&gt;of refraction of light beams when 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 happening suggests 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;your &lt;/ins&gt;Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;common &lt;/ins&gt;type of achromat lens. Normally, it &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is composed &lt;/ins&gt;of 2 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;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 &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;materials &lt;/ins&gt;of different 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 may be Used to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;correct &lt;/ins&gt;the line of sight and focus laser beams. These lenses are widely utilized 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 client's specifications. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;More at just click the next site&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>SVHCathy5417310</name></author>	</entry>

	<entry>
		<id>http://osm-icons.org/index.php?title=User:SVHCathy5417310&amp;diff=100336&amp;oldid=prev</id>
		<title>SVHCathy5417310: Created page with &quot;What is 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) aberra...&quot;</title>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:SVHCathy5417310&amp;diff=100336&amp;oldid=prev"/>
				<updated>2017-10-18T21:24:53Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;What is 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) aberra...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New 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 is produced with the goal of limiting the consequences of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to concentrate in precisely the same plane.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;What's a chromatic aberration?&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Chromatic aberration, too Called chromatic distortion and spherochromatism, is an effect caused from dispersion due to the failure of a lens to focus all colors to the identical convergence point. When white light passes through glass, each wavelength component of this light is separated and concentrates at several points onto a plane. Chromatic aberration seem as &amp;quot;fringes&amp;quot; of color along boundaries that separate bright and dark parts of the image, due to every colour in the optical spectrum cannot be concentrated at one 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 occurs in a lens as a result of gain of refraction of light beams when it strikes the lens. The produced image will result in imperfection. Both this happening suggests that the lens isn't 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 the Most frequent type of achromat lens. Normally, it consists of 2 individual lenses made from glasses with different amounts of dispersion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Achromatic lenses use 2 Different glass substances of different 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 focus laser beams. These lenses are widely utilized 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 client's specifications. E.g. [http://sphericallenses.page.tl/Home.htm [http://sphericallenses.page.tl/Home.htm helpful resources]].&lt;/div&gt;</summary>
		<author><name>SVHCathy5417310</name></author>	</entry>

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