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Tiffen 6666GG14 6.6x6.6
Tiffen

Tiffen 6666GG14 6.6x6.6" Glimmerglass 1/4 Filter

Soften skin details and create glowing highlights with this 6.6x6.6" Glimmerglass 1/4 diffusion filter for matte boxes.

$650.00*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The Tiffen 6.6x6.6" Glimmerglass 1/4 filter is a professional-grade diffusion filter designed for use in matte box systems commonly found on cinema cameras and broadcast rigs. Built with Tiffen's proprietary ColorCore technology, the filter effect is laminated between two pieces of optical glass, protecting the diffusion layer from scratches and environmental damage. At 1/4 density, this filter sits at the subtler end of the Glimmerglass range, making it an excellent choice when you want to gently soften skin details, reduce the appearance of blemishes, and tame the sometimes clinical sharpness of modern digital sensors — all without creating an obviously filtered look.

In practice, the Glimmerglass 1/4 produces a mild reduction in contrast and a characteristic glow around highlights that many cinematographers associate with a polished, cinematic aesthetic. It is particularly popular for interview setups, beauty work, and narrative projects where flattering skin rendition matters. Because the effect is gentle, it can be left on the camera for extended shooting without concern about over-softening wider shots or environmental details. The 6.6x6.6-inch square format is an industry standard, ensuring compatibility with professional matte boxes from brands like Bright Tangerine, Wooden Camera, and Arri.

Key Features

Creates Glowing Highlights

Softens Skin Details

Sparkle Appearance for Added Confidence

ColorCore Glass

Tiffen MFR # 6666GG14

Made in the USA

Specifications

Brand
Tiffen
Model
6666GG14
Filter Type
Glimmerglass
Density
1/4
Size
6.6 x 6.6" / 167.6 x 167.6mm
Technology
ColorCore
Effect
Softens skin details, blemishes, and wrinkles; Produces glowing highlights; Mild reduction in contrast

Pros & Cons

👍 Pros

  • Subtle 1/4 density softens skin blemishes and wrinkles without making the image look blurry.
  • ColorCore technology embeds the effect between glass layers for long-term durability.
  • Produces attractive glowing highlights that add a cinematic quality to footage.
  • Standard 6.6x6.6-inch size fits most professional matte box systems.
  • Minimal contrast reduction means little to no exposure compensation is needed.

👎 Cons

  • The 6.6x6.6-inch size is only usable with matte boxes, not with standard screw-on filter threads.
  • The 1/4 density effect may be too subtle for shooters who want a more pronounced diffusion look.
  • Large-format glass filters like this are fragile and require careful handling and storage.
  • Premium pricing compared to round screw-on diffusion filters that achieve a similar look.

Frequently Asked Questions

The 1/4 density provides a subtle softening effect that reduces fine skin details and blemishes while still maintaining overall image sharpness. It is one of the lighter densities in the Glimmerglass range, making it suitable for situations where you want a gentle, natural-looking diffusion.
This is a 6.6 x 6.6-inch square filter designed for professional matte boxes that accept that standard tray size, commonly used in cinema and broadcast production.
The Glimmerglass 1/4 produces only a mild reduction in contrast and does not significantly reduce light transmission, so you generally will not need to compensate your exposure settings when using it.
ColorCore is Tiffen's proprietary manufacturing process where the filter effect is embedded between two layers of optical glass. This provides consistent, durable filtration that resists scratching and environmental wear on the effect layer itself.
Yes. The 6.6x6.6-inch format is a standard cinema filter size, and the Glimmerglass effect is widely used in film, television, and commercial video production for flattering skin rendition.

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