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Tiffen 4.5 inch round linear polarizer filter, mounted non-rotating, clear glass in metal rim

Tiffen

Tiffen 4.5" Ultra Pol Linear Polarizer Filter camera accessory

SKU CH-FNDW-5KZYC

A 4.5" mounted linear polarizer that cuts glare and deepens colour with roughly two stops of light reduction

  • Minimise glare with a linear polarizer
  • Boost colour fidelity by cutting atmospheric haze
  • Reduce light by about two stops for wider apertures
  • Water White glass with ColorCore resists scratches
  • Mounted 4.5 inch non-rotating design for fixed setups

Professional cinematography filter

The Tiffen 4.5" Ultra Pol Linear Polarizer Filter is a mounted, non-rotating camera accessory built for professional cinematography and videography. It uses Water White optical glass and proprietary ColorCore technology to deliver maximum polarization effect. The filter minimizes reflections and glare from surfaces such as water and windows for a clearer view of the subject.

Sustained outdoor performance

Under continuous bright conditions the filter provides approximately a 2-stop light reduction, enabling wider apertures or slower shutter speeds without overexposure. It consistently darkens blue skies to make white clouds stand out with crisp definition. The Water White glass maintains exceptional clarity and color fidelity throughout extended shooting sessions.

Upgrade from standard polarizers

This filter replaces basic polarizing filters that rotate or use lower-grade glass prone to flare and reduced sharpness. The jump is worth it for filmmakers who need fixed, maximum polarization without adjusting a rotating mount during a take. It is not for buyers who need a circular polarizer for autofocus metering compatibility or a rotating front element for variable effect.

Highlights

  • Minimise glare with a linear polarizer
  • Boost colour fidelity by cutting atmospheric haze
  • Reduce light by about two stops for wider apertures
  • Water White glass with ColorCore resists scratches
  • Mounted 4.5 inch non-rotating design for fixed setups

Specifications

No published specifications for this item yet.

Questions about this item

Does the 4.5" Ultra Pol filter generate heat or noise during all-day outdoor shoots?

No, this passive glass filter has no moving parts or electronics, so it runs completely silent and adds no heat to your camera rig.

What lens thread or matte-box size must I already own to mount this 4.5" round filter?

You need a 4.5-inch front diameter — either a lens with 4.5" threads or a matte box that accepts 4.5" round filters — because the filter is mounted and non-rotating.

Will the linear polarisation interfere with the autofocus or metering of my older DSLR?

Yes, linear polarisers can disrupt phase-detect AF and TTL metering on many older DSLRs; a circular polariser is usually recommended for those bodies.

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