<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
		<id>http://osm-icons.org/index.php?action=history&amp;feed=atom&amp;title=User%3AShirleyH22</id>
		<title>User:ShirleyH22 - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://osm-icons.org/index.php?action=history&amp;feed=atom&amp;title=User%3AShirleyH22"/>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:ShirleyH22&amp;action=history"/>
		<updated>2026-05-01T14:05:25Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>http://osm-icons.org/index.php?title=User:ShirleyH22&amp;diff=101085&amp;oldid=prev</id>
		<title>ShirleyH22 at 16:15, 19 October 2017</title>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:ShirleyH22&amp;diff=101085&amp;oldid=prev"/>
				<updated>2017-10-19T16:15:41Z</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;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&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 16:15, 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 is created with the goal 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 attract 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 &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, too Called chromatic distortion and spherochromatism, is an effect &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;caused &lt;/del&gt;from dispersion as a result of 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;same &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 element of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/del&gt;light is separated and concentrates at different 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 along boundaries that separate dark and bright parts of the image, due to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;every color &lt;/del&gt;in the optical spectrum &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cannot &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 that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;happens &lt;/del&gt;in a lens due to the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;increase &lt;/del&gt;of refraction of light &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;beams when &lt;/del&gt;it strikes the lens. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/del&gt;image will end 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;the &lt;/del&gt;Most &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;common sort &lt;/del&gt;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 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 &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 into one 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 adjust the line of sight and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/del&gt;laser beams. These lenses are widely &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;As seen on [http://lens-design.over-blog.com/2017/10/getting-the-best-lenses-from-the-market.html [http://lens-design.over-blog.com/2017/10/getting-the-best-lenses-from-the-market.html Suggested 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'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 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 attract two wavelengths to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;focus &lt;/ins&gt;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, too Called chromatic distortion and spherochromatism, is an effect &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;generated &lt;/ins&gt;from dispersion as a result of 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;identical &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;the &lt;/ins&gt;light is separated and concentrates at different 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 along boundaries that separate dark and bright parts of the image, due to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;each colour &lt;/ins&gt;in the optical spectrum &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can't &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 that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;occurs &lt;/ins&gt;in a lens due to the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;gain &lt;/ins&gt;of refraction of light &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;rays 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 end 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;your &lt;/ins&gt;Most &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;frequent type &lt;/ins&gt;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 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 &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 into one 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 adjust the line of sight and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concentrate &lt;/ins&gt;laser beams. These lenses are widely &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;Take a look at related web site&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ShirleyH22</name></author>	</entry>

	<entry>
		<id>http://osm-icons.org/index.php?title=User:ShirleyH22&amp;diff=100105&amp;oldid=prev</id>
		<title>ShirleyH22: 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 created with the goal of limiting the effects of lens(chromatic and spherical) aberration. A...&quot;</title>
		<link rel="alternate" type="text/html" href="http://osm-icons.org/index.php?title=User:ShirleyH22&amp;diff=100105&amp;oldid=prev"/>
				<updated>2017-10-18T17:37:07Z</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 created with the goal of limiting the effects of lens(chromatic and spherical) aberration. A...&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 created with the goal of limiting the effects of lens(chromatic and spherical) aberration. Achromatic lenses are adjusted to attract two wavelengths to concentrate in precisely 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, too Called chromatic distortion and spherochromatism, is an effect caused from dispersion as a result of failure of a lens to focus all colours to the same convergence point. When white light passes through glass, each wavelength element of this light is separated and concentrates at different points onto a plane. Chromatic aberration appear as &amp;quot;fringes&amp;quot; of color along boundaries that separate dark and bright parts of the image, due to every color in the optical spectrum cannot 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 that happens in a lens due to the increase of refraction of light beams when it strikes the lens. The generated image will end in imperfection. Both this phenomenon 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 common sort of achromat lens. Generally, it is composed 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 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 can be Used to adjust the line of sight and focus 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. As seen on [http://lens-design.over-blog.com/2017/10/getting-the-best-lenses-from-the-market.html [http://lens-design.over-blog.com/2017/10/getting-the-best-lenses-from-the-market.html Suggested Website]].&lt;/div&gt;</summary>
		<author><name>ShirleyH22</name></author>	</entry>

	</feed>