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Positive Achromatic Doublet Lens

產品分類 :

機械與設備->工業儀器設備->精密塗裝檢測儀器

產品規格

Model No:	RQ-AC

Country	CN
Brand	RQ
Packing	carton
Minimum Order	10
Payment Term	T/T,Paypal,Western Union

產品描述

Positive Achromatic Doublet Lens


The most common type of achromat is the achromatic <a title="Doublet (lens)">doublet</a>, which is composed of two individual lenses made from <a title="Glass">glasses</a> with different amounts of <a title="Dispersion (optics)">dispersion</a>. Typically, one element is a negative (<a title="Lens (optics)">concave</a>) element made out of <a title="Flint glass">flint glass</a> such as F2, which has relatively high dispersion, and the other is a positive (<a title="Lens (optics)">convex</a>) element made of <a title="Crown glass (optics)">crown glass</a> such as BK7, which has lower dispersion. The lens elements are mounted next to each other, often cemented together, and shaped so that the chromatic aberration of one is counterbalanced by that of the other.


 


Technical Specifications:


 


<table class="aliDataTable" border="1" style="border:1px solid #CCCCCC;color:#000000;font-family:Arial;font-size:12px;width:702px;height:248px;background:#FFFFFF;">
<tbody>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Material
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
BK7,ZF2
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Dimension 
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
30mm 50mm  circular
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Dimension Tolerance
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
+/-0.15mm
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Centration
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<3'
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Surface Quality
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
60/40
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Flatness
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
lambda/4 per 25nm at 632.8nm
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Focal length
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
+/-3%
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Edge
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Fine ground and beveled
</td>
</tr>
<tr>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Coating
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
Anti-Reflective (AR) Coatings,Single layer MgF2 coating,Multilayer Broadband AR Coating
</td>
</tr>
</tbody>
</table>
 



Custom Made Drawing As Following


<img src="http://i.bosscdn.com/product/c2/63/06/625c0127b2e788e801b58a89dc.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="achromatic lens drawing" alt="achromatic lens drawing" /><img src="http://i.bosscdn.com/product/aa/15/ea/677c9388a3f303a59fa6bedf59.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="cementic drawing" alt="cementic drawing" /> 



<img src="http://i.bosscdn.com/product/32/16/53/32e4973eedc81eb382b9a62a5e.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="doublet lens" alt="doublet lens" /><img src="http://i.bosscdn.com/product/61/cf/2e/9055ba055c2aa1c17bab37d9db.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="achromatic lens" alt="achromatic lens" /> 



Factory Show


<img src="http://i.bosscdn.com/product/dd/fd/55/17611dc7d93a1e700f874ae838.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="testing" alt="testing" /><img src="http://i.bosscdn.com/product/9f/d6/64/0c2210d7ab83d47383f29cd1f3.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="testing" alt="testing" /><img src="http://i.bosscdn.com/product/88/fa/4c/12a880c602938f433a212c07be.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="factory" alt="factory" /><img src="http://i.bosscdn.com/product/1e/ef/e6/4de96946e566cf925812221b01.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="coating machine" alt="coating machine" /> 

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