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Rectangular amber gel filter sheet 24 by 21 inches

Lee Filters

Lee Filters Hi Sodium Gel Filter Sheet 24x21

SKU CH-XA4V-20X9H

A 24x21 inch gel filter sheet that corrects high sodium vapor lighting for accurate colour in photography and video

  • True-to-life colours under HI Sodium lighting with advanced colour correction
  • Minimal light loss for bright, clear shots using high-quality gel material
  • Withstands frequent handling and studio use for long-lasting reliability
  • Resists warping or melting under high-temperature studio lights for consistent performance
  • Ample 24x21" coverage fits a variety of lighting fixtures for flexible setups

Professional Colour-Correction Gel Sheet

The Lee Filters Hi Sodium gel filter sheet measures 24x21 inches and is engineered to correct the colour cast of high-pressure sodium vapour lighting. It delivers superior colour accuracy and exceptional light transmission for professional photography and videography.

Ideal For Sodium-Light Environments

This sheet suits photographers and filmmakers who need to balance warm sodium output to daylight or tungsten balance in studios or on location. It is not intended for users who require correction for LED, fluorescent or metal-halide sources, or for those needing rigid filter frames.

Large-Format Coverage And Heat Resistance

The 24x21 inch dimensions provide ample coverage for most studio fixtures and can be trimmed to fit smaller barn doors or gel frames. Optimised heat resistance prevents warping or melting during extended shoots, though the gel will eventually degrade under continuous high-temperature exposure.

Highlights

  • True-to-life colours under HI Sodium lighting with advanced colour correction
  • Minimal light loss for bright, clear shots using high-quality gel material
  • Withstands frequent handling and studio use for long-lasting reliability
  • Resists warping or melting under high-temperature studio lights for consistent performance
  • Ample 24x21" coverage fits a variety of lighting fixtures for flexible setups

Specifications

No published specifications for this item yet.

Questions about this item

Which lighting fixtures will the 24x21" sheet cover without trimming?

The sheet covers most standard studio lights and modifiers; measure your fixture first to confirm the 24x21" dimensions are sufficient.

Can this gel handle the heat from older tungsten or HMI heads I still use?

Yes, the filter is designed with optimised heat resistance to prevent warping or melting during extended shoots with high-output fixtures.

How do I verify the filter is correcting high-pressure sodium output correctly after installation?

Shoot a test frame with a grey card under the sodium lights, then check that skin tones and neutrals render naturally without the typical green-orange cast.

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