Oemiu 
Price: 4.52 - 4.02
Buy 1.8mm CCTV Lens 850nm filter 170 Wide Angle IR Board Who made bubble slides
IR FILTER FEATURE
Beyond light is infrared radiation, which takes up a large portion of the scale, with wavelengths from 700 nanometers to 1 millimeter.
Our eyes are not sensitive to infrared radiation, at least not in ways we can visually interpret, but digital sensors are, which causes some problems. It can be very difficult for an electronic circuit to differentiate between the various forms of radiation as to what is good (light) and what is bad (infrared). All digital cameras (except those specially designed for “night vision”) feature infrared cut filters to limit the amount of infrared radiation that strikes the sensor and can be misinterpreted as light.
①No IR-Filter Image②Normal Image
1.8mm CCTV Lens 850nm filter 170° Wide Angle IR Board M12 IR Cut Filter FPV 940nm 650nm IR for Security Camera
IR Cut Filter
New Board 1.8mm 170° Wide Angle LENS For CCTV Security Camera
Features:
1.8mm 170° wide angle board lense for CCTV cameras has standard M12x0.5 thread, suitable for both 1/3" and 1/4" CCD chipsets, with an aperture of F2.0.
Standard M12x0.5 thread
Specifications:
Angle of View: 170°
Focal Length: 1.8mm
Back Focal Length: 5.44mm
Format: 1/3"
F/No: 2.0
Mount thread : 12x 0.5
Weight: 7g
Package Included:
1X 1.8mm wide angle Lens for IR CCTV Camera
We also carry the following selection of HD lenses with different focal lengths for your applications
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