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Rectangular 4x5.65 inch glass filter with nano coating

Nisi

Nisi 4x5.65" Nano Infrared Neutral Density 2.1 (7-Stop) camera filter

SKU CH-3F5S-HHV5H

A 4×5.65″ infrared-control neutral-density filter with 2.1 density for 7-stop reduction, built from 4 mm optical glass with dual-sided nano coating that resists water.

  • 7-stop density controls bright light for cinematic exposure
  • Infrared suppression prevents colour contamination in 6K footage
  • Dual-sided nano coating cuts reflections and flare
  • Water, oil and scratch resistant surface eases cleaning
  • 4 mm optical glass with precision polish maintains sharpness

4x5.65" 7-Stop IR ND Filter

The Nisi 4x5.65" Nano Infrared Neutral Density 2.1 filter combines 7 stops of light reduction with infrared contamination control. It is built for cinematographers shooting raw 6K digital footage who need precise exposure management without colour casts.

Slide-In Matte Box Installation

The 4 mm thick optical glass slides into standard 4x5.65" matte boxes or filter holders. Precision grinding ensures a snug fit, while the dual-sided nano coating resists water, oil and scratches so cleaning is straightforward and surface damage is minimised.

Check Thread Size And Holder Compatibility

Verify that your matte box or filter tray accepts 4x5.65" rectangular filters before ordering. Confirm your camera’s infrared sensitivity matches the 7-stop density to avoid over-darkening the image.

Highlights

  • 7-stop density controls bright light for cinematic exposure
  • Infrared suppression prevents colour contamination in 6K footage
  • Dual-sided nano coating cuts reflections and flare
  • Water, oil and scratch resistant surface eases cleaning
  • 4 mm optical glass with precision polish maintains sharpness

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the filter is delivering 7-stop neutral density with infrared control after mounting it?

Shoot a test frame at your working aperture and check the histogram for even exposure across the frame; the dual-sided nano coating should keep colour shift minimal and suppress IR contamination in the shadows.

What comes in the package and what must I supply myself?

The box contains the 4 x 5.65 inch glass filter and a leatherette protective case; you will need a compatible matte box or filter holder to mount it on the lens.

Which density version should I choose for strong daylight control?

This model provides a 2.1 optical density (7-stop) reduction, designed for bright conditions where heavy light loss and infrared suppression are required.

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