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A black 77mm circular polarizer filter in a metal frame

Canon

Canon 2191B001 77mm circular polarizer camera filter

SKU CH-J63E-VQAYD

77 mm circular polarizer cuts glare from glass and water while boosting colour saturation

  • TypePolarizer
  • Size77mm
  • FeaturesPolarizing filter enhances picture quality by blocking harmf
  • Reduces glare from glass and water surfaces with polarizing filter
  • Improves colour saturation by blocking harmful reflected light
  • Circular polarisation avoids interference with autofocus and TTL metering
  • 77mm screw-in thread fits compatible lenses directly
  • New condition ensures pristine optical performance from first use

Canon 77 mm Circular Polarizer

The Canon 2191B001 is a 77 mm screw-in circular polarizer designed for photographers who need to control reflections and boost colour saturation. It fits lenses with a 77 mm filter thread and works with autofocus and TTL metering systems without interference.

Consistent effect under sustained use

The filter blocks polarized light continuously, so reflections from glass or water stay suppressed throughout a shooting session. Colour saturation remains enhanced frame after frame without the variation that can appear with linear polarizers.

Slim mount and standard threading

The circular polarizer uses a standard 77 mm thread that screws directly onto compatible lenses or onto a lens cap with the same diameter. Its low-profile frame reduces the chance of vignetting on wide-angle lenses while leaving the front thread free for a lens cap or hood.

Highlights

  • Reduces glare from glass and water surfaces with polarizing filter
  • Improves colour saturation by blocking harmful reflected light
  • Circular polarisation avoids interference with autofocus and TTL metering
  • 77mm screw-in thread fits compatible lenses directly
  • New condition ensures pristine optical performance from first use

Specifications

BrandCanon
Model2191B001
TypePolarizer
Size77mm
FeaturesPolarizing filter enhances picture quality by blocking harmful reflected light. Use it to reduce polarized light reflections from glass and water surfaces or to improve color saturation. Simple to use, circular polarizing filters (such as Canon's PL-C) polarize light circularly, rather than linearly, so it does not interfere with autofocus or TTL light metering. TYPE: Screw-in

Questions about this item

How much light does the 77mm circular polarizer block when I shoot all day in bright conditions?

The filter cuts polarized reflections from glass and water while improving colour saturation, so exposure stays consistent during long daylight sessions.

Which lenses can I mount this 77mm filter on without extra parts?

Any lens with a 77mm front thread accepts the screw-in filter directly; smaller or larger threads need a step-up or step-down ring.

Will the circular polarizer work with my older autofocus and TTL metering lenses?

Yes, the circular design polarises light without interfering with autofocus or through-the-lens metering on legacy bodies.

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