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The Schneider 4 x 4" True-Cut 680 IR Filter is an infrared control filter that is designed for digital cinematography. 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's 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 sensor of a digital cinematography camera 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.
When the Schneider 4 x 4" True-Cut 680 IR Filter is used along with multi-stop neutral-density filters while recording with a digital sensor, infrared light waves down to 680 nanometers are blocked, helping to limit the light that falls on the sensor to the visible spectrum. Potential infrared color shifts are prevented or minimized, preserving color accuracy throughout the frame. While a True-Cut 680 IR Filter is sufficient for many cameras, others may have sensors that require a higher degree of infrared control, such as that provided by a Schneider True-Cut 750 IR Filter that blocks infrared light waves down to 750 nanometers.
Designed for use with CCD or CMOS sensors to filter out infrared light pollution that cause color shifts frequently associated with high-definition recording.
Ideal for use with multi-stop neutral-density filters.
Does not require adjustments to exposure while in use.
Constructed from water white glass for optical clarity.
Padded pouch for storage and transport.
In the Box
Schneider 4 x 4" True-Cut 680 IR Filter
1-Year Limited Warranty
Table of Contents
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4 x 4" (101.6 x 101.6 mm)
0.2" (4.0 mm)
1 (0 stop)
Prevents or minimizes unwanted color shifts when using multi-stop neutral density filtration with digital cinematography cameras