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Rectangular Old Steel Blue gel filter sheet, 24 by 21 inches, translucent coloured plastic

Lee Filters

Lee Filters Old Steel Blue Gel Filter Sheet 24x21

SKU CH-XNB4-HPFZ6

A 24x21 inch gel filter sheet that shifts light to an Old Steel Blue tone for creative colour effects in photography and studio lighting

  • True-to-life colors from precise light modification
  • Robust materials withstand frequent professional use
  • High heat resistance prevents warping during long shoots
  • Minimal light loss preserves brightness and detail
  • 24 by 21 inch sheet covers diverse lighting setups

Transform Light With Old Steel Blue

This Lee Filters gel sheet measures 24 by 21 inches and adds a distinctive Old Steel Blue hue to studio lighting. It is designed for photographers who need precise colour modification for creative or corrective work. The sheet fits a variety of lighting fixtures and holds up under professional use.

Heat-Resistant Gel With High Light Transmission

The filter is built to withstand high temperatures from studio lamps without warping or colour shift. It delivers excellent light transmission, keeping brightness and detail intact while altering the light colour. Durable construction supports repeated handling on set.

Suits Creative Photographers, Not Small-Format Users

Ideal for professionals shaping light on portraits, landscapes or experimental projects who want a unique blue tone. Buyers needing smaller pre-cut gels for on-camera flash or compact LED panels should look at different formats. The large sheet requires cutting to size for many fixtures.

Highlights

  • True-to-life colors from precise light modification
  • Robust materials withstand frequent professional use
  • High heat resistance prevents warping during long shoots
  • Minimal light loss preserves brightness and detail
  • 24 by 21 inch sheet covers diverse lighting setups

Specifications

No published specifications for this item yet.

Questions about this item

How does the Old Steel Blue colour affect the light hitting the sensor?

The gel shifts the light toward a cool steel-blue tone, letting you create a distinctive colour cast for creative or corrective work.

What mounting options does the 24x21 inch sheet support?

The large sheet can be cut to size and taped, clipped or framed onto barn doors, softboxes, fresnels or any fixture that accepts gel frames.

Will the material hold up under continuous output from hot studio heads?

Yes, the filter is built for high heat resistance so it resists warping and colour shift during long sessions under powerful lights.

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