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Changchun Ruiqi Optoelectronics Co.,Ltd
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Day/night color cameras IR-cut filter
Category :
Machinery on-line->Industrial Instruments & Equipment->test instrument
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Product Specification
Model No:
RQ-CU
Country
CN
Brand
RQ
Packing
carton
Minimum Order
10
Payment Term
T/T,Paypal,Western Union
Product Detail
<p style="font-family:Arial;text-align:center;">
<span style="line-height:27px;font-size:16px;font-family:Verdana;">Day/night color cameras IR-cut filter</span>
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<span style="line-height:27px;font-size:18px;font-family:'times new roman', times;"></span> <br />
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<p style="font-size:medium;font-family:Times New Roman;">
<span style="line-height:24px;font-family:Verdana;font-size:12px;">An IR filter or IR cut filter - is a color filter blocking the infrared light. There are several good reasons for using an IR-cut filter. Using a color camera to achieve realistic colors in white light requires an IR-cut filter.</span>
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<span style="font-family:Verdana;font-size:12px;"> </span>
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<p style="font-size:medium;font-family:Times New Roman;">
<span style="line-height:24px;font-family:Verdana;font-size:12px;">The color spectrum seen by the human eye is quite limited compared to the spectrum seen by a CCD camera. Especially, in the near infrared region of the spectrum the difference in sensitivity is significant. This is important to know since many light sources, including the sun, emit infrared light.</span>
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<span style="line-height:24px;font-family:Verdana;font-size:12px;">A CCD color camera in daylight without an IR-cut filter will therefore see a significant amount of infrared light resulting in strange colors. Another reason for using an IR-cut filter is the limited color correction for many lenses. It is difficult to design imaging optics covering both the visible spectrum and the near infrared spectrum at the same time.</span>
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<span style="font-family:Verdana;font-size:12px;"> </span>
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<p style="font-size:medium;font-family:Times New Roman;">
<span style="line-height:24px;font-family:Verdana;font-size:12px;">Therefore, many lenses have different depth of focus for the visible and the infrared spectrum. Anyway, the IR-cut filter cuts away a significant amount of the overall collected light and thereby affects the sensitivity in a negative way. In general, color cameras are one factor less sensitive compared to monochrome (depending on the CCD chip). This is primarily due to the IR-cut filter.</span>
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<span style="line-height:24px;font-family:Verdana;font-size:12px;"> </span>
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<p style="font-family:Arial;">
<span style="line-height:18px;color:#993366;font-family:Verdana;font-size:14px;"><strong><em><span style="line-height:24px;font-size:14px;font-family:Verdana;">Technical Specifications:</span></em></strong></span>
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<span style="font-family:Verdana;font-size:12px;"> </span>
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<table class="aliDataTable" style="border:1px solid #CCCCCC;color:#000000;font-family:Arial;font-size:12px;width:702px;height:248px;background:#FFFFFF;" border="1">
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">Substrate</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;"><span style="line-height:18px;font-family:Verdana;font-size:12px;">vary customized, such as B270, BK7, crystal, float or sodalime glass etc</span></span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">Dimension </span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;"><span style="line-height:18px;font-family:Verdana;font-size:12px;">customized, from 2x2mm to Dia. 110mm, +/-0.1mm</span></span>
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<span style="line-height:18px;font-family:Verdana;font-size:12px;">Clear Aperture</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">>90%</span>
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<span style="line-height:18px;font-family:Verdana;font-size:12px;">Wavelength</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">480-1200nm</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">Surface Quality</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">60/40</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">Flatness</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">lambda/4 per 25nm at 632.8nm</span>
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<span style="line-height:18px;font-family:Verdana;font-size:12px;">Coating</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;"><span style="line-height:22.5px;font-size:12px;font-family:Verdana;vertical-align:baseline;color:#333333;">Surface 1: T</span><sub><span style="font-family:Verdana;font-size:12px;">avg</span></sub><span style="line-height:22.5px;font-size:12px;font-family:Verdana;vertical-align:baseline;color:#333333;"> >85% @ 480 - 680nm, T</span><sub><span style="font-family:Verdana;font-size:12px;">avg</span></sub><span style="line-height:22.5px;font-size:12px;font-family:Verdana;vertical-align:baseline;color:#333333;"> <10% @ 740 - 1200 nm, T=50% @ 680 - 740 nm</span></span><br />
<span style="line-height:18px;"><span style="line-height:22.5px;font-size:12px;font-family:Verdana;vertical-align:baseline;color:#333333;">Surface 2: λ/4 MgF</span><sub><span style="font-family:Verdana;font-size:12px;">2</span></sub></span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">Thickness</span>
</td>
<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="line-height:18px;font-family:Verdana;font-size:12px;">1.1mm</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="font-family:Verdana;font-size:12px;">Edge</span>
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<td style="font-family:Verdana, Arial, Helvetica, sans-serif;border:1px solid #CCCCCC;">
<span style="font-family:Verdana;font-size:12px;">Fine Ground</span>
</td>
</tr>
</tbody>
</table>
<p style="font-family:Arial;">
<span style="font-family:Verdana;font-size:12px;"> </span>
</p>
<p style="font-family:Arial;">
<span style="font-family:Verdana;font-size:12px;">Actual Measurement Cure</span>
</p>
<p style="font-family:Arial;">
<span style="font-family:Verdana;font-size:12px;"><br />
</span>
</p>
<p style="font-family:Arial;">
<span style="font-family:Verdana;font-size:12px;"><img src="http://i.bosscdn.com/product/e5/11/b5/0abde1c08259fea90349c8c3c5.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="850nm-narrow-bandpass-filter-curve---changchun Ruiqi" alt="850nm-narrow-bandpass-filter-curve---changchun Ruiqi" /><br />
</span>
</p>
<p style="font-family:Arial;">
<span style="font-family:Verdana;font-size:12px;"><img src="http://i.bosscdn.com/product/89/63/e5/9804d24f155b6cbb2451db196e.png@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="650nm filter" alt="650nm filter" /><br />
</span>
</p>
<p style="font-family:Arial;">
<span style="font-size:14px;font-family:Verdana;"> Products Show</span>
</p>
<p style="font-family:Arial;">
<br />
</p>
<p style="font-family:Arial;">
<img src="http://i.bosscdn.com/product/a7/a1/4c/7505477fae78ce36c7f7ba9b03.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="ir cut filter" alt="ir cut filter" /><img src="http://i.bosscdn.com/product/56/f5/28/1eb473824f586ef4a438fd8d00.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="IR cut filter" alt="IR cut filter" /><img src="http://i.bosscdn.com/product/5a/eb/00/bdf9995f6f60db17573c07681f.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="IR cut off filter" alt="IR cut off filter" />
</p>
<p style="font-family:Arial;">
<span style="font-size:14px;">Factory Show</span>
</p>
<p style="font-family:Arial;">
<span style="font-size:14px;"><br />
</span>
</p>
<p style="font-family:Arial;">
<span style="font-size:14px;"><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="Package" alt="Package" /><img src="http://i.bosscdn.com/product/99/59/06/2136fe4a487660648f55fd0092.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/14/c3/42/9c0e66fe7a4f533b33f561273a.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="Polishing" alt="Polishing" /><img src="http://i.bosscdn.com/product/79/6b/ba/c1ad3f5902b7663bea3a6aa502.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=21&p=5&t=80&text=cnVpcWlvcHRpY3MuYm9zc2dvby5jb20%3D" title="Polishing" alt="Polishing" /><br />
</span>
</p>
<p style="font-family:Arial;">
<span style="font-size:14px;"><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" alt="Coating" /><br />
</span>
</p>
<p style="font-family:Arial;">
<br />
</p>ruiqi-optics.com
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