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Square 4x4 inch Warm Soft/FX 1 filter with 812 warming tint

Tiffen

Tiffen 4x4" Warm Soft/FX 1 Filter 812 camera accessory

SKU CH-V6R0-610J3

A 4x4" diffusion filter that softens highlights and adds an 812 warming tone for portraits and landscapes

  • Gentle softening for dreamlike portraits with Warm Soft/FX 1 diffusion
  • Subtle 812 warming boosts skin tones and cuts cool casts
  • Professional 4x4" format fits standard matte boxes and filter holders
  • High-quality construction withstands daily professional use
  • Soft-focus glow with minimal clarity loss preserves image detail

Professional 4x4" Filter Format

The Tiffen 4x4" Warm Soft/FX 1 Filter is a camera accessory built for professional matte boxes and filter holders. It suits photographers and cinematographers who want controllable diffusion with added warmth in a single square filter.

Combined Diffusion and Warming

The filter merges a Soft/FX 1 density with an 812 warming element, softening highlights and reducing harshness while infusing a subtle amber tone. This combination enhances skin tones and cuts overly cool colour casts without stacking separate filters.

Density 1 Softening Range

The strength sits between the lighter 1/2 and heavier 2 densities, delivering a noticeable glow that still preserves subject detail. It is not intended for shooters who need stronger diffusion, heavier warming, or a circular thread mount.

Highlights

  • Gentle softening for dreamlike portraits with Warm Soft/FX 1 diffusion
  • Subtle 812 warming boosts skin tones and cuts cool casts
  • Professional 4x4" format fits standard matte boxes and filter holders
  • High-quality construction withstands daily professional use
  • Soft-focus glow with minimal clarity loss preserves image detail

Specifications

No published specifications for this item yet.

Questions about this item

How often will the Tiffen 4x4" Warm Soft/FX 1 Filter need cleaning or replacement?

The glass surface only requires occasional cleaning with a microfibre cloth and lens solution; the 812 warming layer is bonded into the substrate so it will not wear off or need replacement under normal use.

What is the first optical limit reached when stacking this filter with others in bright light?

Vignetting appears first because the 4x4" frame adds thickness; stacking more than two filters in a matte box often darkens the corners on wide-angle lenses.

Does the filter change heat buildup or power draw during all-day shooting?

It is passive glass with no electronics, so it adds no heat and draws no power; the only thermal effect is the slight warmth absorbed by the 812 coating under strong sun.

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