Schneider 4 x 4" True-Cut 750 IR Filter

BH #SCTIR44 • MFR #68-121044
Schneider
Schneider 4 x 4" True-Cut 750 IR Filter
Key Features
  • Infrared Control Filter
  • Blocks 50% of Infrared Light at 750nm
  • Progressively Eliminates IR after 750nm
  • 1x Filter Factor, No Exposure Change
The Schneider 4 x 4" True-Cut 750 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.
Discontinued

Schneider 4 x 4" True-Cut 750 IR Filter

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Schneider 68-121044 Overview

The Schneider 4 x 4" True-Cut 750 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 750 IR Filter is used along with multi-stop neutral-density filters while recording with a digital sensor, it blocks 50% of infrared light waves at 750 nanometers before progressively eliminating them. This helps to limit the light that falls on the sensor to the visible spectrum, preserving color accuracy throughout the frame as potential infrared color shifts are prevented or minimized. A similar True-Cut 680 IR filter moves the point at which 50% of light is blocked into the visible spectrum to 680 nanometers. While a True-Cut 750 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 680 IR Filter.

Compatible with filter holders that can accommodate 4mm-thick, 4 x 4" rectangular filters.
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.
UPC: 605228095014

Schneider 68-121044 Specs

Rectangular Size4.0 x 4.0" / 101.6 x 101.6 mm
Filter Thickness0.2" / 4.0 mm
Filter MaterialGlass
Packaging Info
Package Weight0.38 lb
Box Dimensions (LxWxH)5.95 x 5.6 x 1.25"
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