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Clear glass drop-in filter for EF-EOS R adapter

Canon

Canon Drop-In Clear Filter A EF-EOS R 3444C001

SKU CH-95BJ-136AR

A clear glass filter with a factor of 1 for the Drop-In Filter Mount Adapter EF-EOS R

  • Clear protection for lenses with zero light loss
  • Filter factor 1 adds no exposure change
  • Glass construction keeps image quality intact
  • No colour temperature shift alters white balance
  • Designed for Drop-In Filter Mount Adapter EF-EOS R

Clear protection for EF-EOS R adapter

This clear glass filter fits the drop-in slot of Canon's EF-EOS R mount adapter. It maintains optical clarity with a filter factor of one and zero stops of light loss. The circular design suits photographers who want to shield the rear element of adapted EF lenses without altering exposure or colour balance. It is intended for users of the drop-in filter mount adapter who prefer a permanent protective layer.

Drop-in glass construction

The filter is made from optical glass and sits flush inside the adapter's dedicated holder. Its circular shape matches the drop-in mechanism, allowing quick insertion and removal without tools. Because it adds no colour temperature shift, it can stay in place during regular shooting. The build is suited to daily use on mirrorless R-series bodies where the adapter remains mounted for extended periods.

Single-slot limitation

Only one drop-in filter can occupy the adapter at a time, so this clear filter cannot be combined with a polariser or variable ND in the same slot. Users who need creative filtration must swap the clear element out for the desired effect filter. The filter factor of one confirms it does not extend exposure latitude or provide any density benefit beyond physical protection.

Highlights

  • Clear protection for lenses with zero light loss
  • Filter factor 1 adds no exposure change
  • Glass construction keeps image quality intact
  • No colour temperature shift alters white balance
  • Designed for Drop-In Filter Mount Adapter EF-EOS R

Specifications

No published specifications for this item yet.

Questions about this item

What filter factor does the Canon Drop-In Clear Filter A provide?

The filter factor is 1, which adds zero stops of exposure compensation.

Which mount adapters accept this clear filter?

It fits the Drop-In Filter Mount Adapter EF-EOS R with Drop-in Circular Polarizing Filter A and the Drop-In Filter Mount Adapter EF-EOS R with Drop-in Variable ND Filter A.

How is the filter installed in the adapter?

Slide the circular glass filter into the drop-in slot until it clicks securely into place.

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