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China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn

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Model Sensor Format Focal Length(mm) FOV (H*V*D) TTL(mm) IR Filter Aperture Mount Unit Price
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We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for19mm Hole Distance Lens Holder, 1/4 Low Distortion Lens, 1/6 Inch Time Of Flight Lens, We have now deep cooperation with hundreds of factories all over China. The goods we give can match with your different calls for. Choose us, and we won't make you regret!
China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn Detail:

Infrared cut filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block near-infrared wavelengths while passing visible light. They are often used in equipment with bright incandescent light bulbs (such as slides and projectors) to prevent unnecessary heating. Due to the high sensitivity of many camera sensors to near-infrared light, there are also filters used in solid-state (CCD or CMOS) cameras to block infrared light. These filters usually have a blue tint because they also sometimes block some of the light from the longer red wavelengths. IR filters can be transparent, gray, gradient or a variety of different colors.

Unlike the eye, sensors based on silicon (including CCDs and CMOS sensors) have sensitivities extending into the near-infrared. Such sensors may extend to 1000 nm. IR filters are used to alter the light transmitted through the lens to the image sensor to prevent unnatural-looking images. IR-transmitting (passing) filters or removing factory IR-blocking filters are commonly used in IR photography to pass IR light and block visible and UV light. This filter appears black to the eye, but is transparent when viewed with IR-sensitive devices.

Originally, IR filters were used in film photography to enhance black and white photography. By adding filters of different colors, photographers can add depth, improve contrast, and reduce glare that can ruin an image.

A wide variety of filters are available for industrial machine vision. Filters allow you to achieve stunning results, improve the visibility of specific details, and often simplify your machine vision tasks significantly.

For example, a bandpass filter coordinated with the light being used will allow you to filter out the often overwhelming ambient light almost completely. Also, in normal applications, the invisible properties of objects are usually made visible using suitable filters.

CHANCCTV offers you a wide range of different filters for virtually every lens.

940nm Narrow Bandpass

940nm Narrow Bandpass

IR650-850nm Dual Bandpass

IR650-850nm Dual Bandpass

IR650nm Bandpass

IR650nm Bandpass

IR800-1000nm Longpass

IR800-1000nm Longpass


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China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn detail pictures

China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn detail pictures

China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn detail pictures

China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn detail pictures


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We insist on offering high-quality creation with superior business enterprise concept, honest revenue plus the great and fast service. it will bring you not only the high quality solution and huge profit, but essentially significant is usually to occupy the endless market for China wholesale Iris Recognition Lens - IR Cut Filters – ChuangAn , The product will supply to all over the world, such as: South Korea, Jeddah, Greece, We believe with our consistently excellent service you can get wonderful performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Daphne from El Salvador - 2018.05.13 17:00
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Renata from Bulgaria - 2017.09.09 10:18
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