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Key Features
- UV and Infrared Control Filter
- For Digital Cinematography, Still Photos
- 99.4% Transmission Between 400-700nm
- 1x Filter Factor, No Exposure Change
The 77mm Ice UV/IR Cut Filter is an ultraviolet and infrared control filter that is useful for digital cinematography and still photography. While recording video with a CCD or CMOS camera, multi-stop neutral density filters are used to maintain proper exposure by compensating for increased light levels when widening the camera lens' iris to obtain a narrower depth of field. As the increased amount of light passes through multi-stop neutral density filtration, visible light is progressively blocked, while infrared light is allowed to pass through. As the proportion of infrared light that reaches the camera sensor becomes greater, the results can show unwanted color shifts, particularly in dark areas of the frame, such as shadows where the appearance of black is dominant.
More Details
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What is the IR cutoff? What wavelengths does the ...
What is the IR cutoff? What wavelengths does the filter actually allow to pass through?
The Ice 77mm UV/IR Cut Filter cuts out UV Rays below 390nm, and cuts out IR Rays above 750nm. The filter has 99.4% light transmission between 400-700nm.
Date published: 2020-01-08
Hello. Does this filter have the same difficulty ...
Hello. Does this filter have the same difficulty with wide-angle lenses that most multi-coated cut filters have? I.e., inconsistent, off-axis effectiveness/banding beyond ~ 60 degree FOV. Thanks in advance!
Yes, this Ice 77mm UV/IR Cut Filter has the same wide angle issues many filters have. The IR
filtration makes no difference, as far as the wide angle effectiveness goes.
Date published: 2019-08-05