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77mm neutral density filter with black aluminum frame and dark glass

HOYA Filter

HOYA Filter PROND EX 8 77mm Neutral Density 0.9 3-Stop camera filter

SKU CH-KKX9-1YHTG

A 77mm neutral density filter that cuts light by three stops using ACCU-ND coating to prevent colour shift and infrared leaks

  • Reduces exposure by 3 stops for creative control
  • ACCU-ND coating prevents colour shift across the spectrum
  • Blocks infrared leakage for clean, accurate colours
  • Enables motion blur effects in bright conditions
  • 77mm thread fits compatible lenses and allows stacking

77mm PROND EX 8 Neutral Density Filter

The HOYA PROND EX 8 is a 77mm neutral density filter that reduces incoming light by 3 stops using ACCU-ND technology. It prevents colour shift and blocks infrared light leaks. Photographers and filmmakers use it to control exposure for still images and video recording.

Suited for creative exposure control.

This filter suits shooters who need longer shutter speeds or wider apertures in bright conditions to create motion blur or shallow depth of field. It is not for lenses with a different filter thread diameter. Buyers who want variable density or stronger light reduction should look at alternative models.

3-stop reduction extends creative range in bright

The 0.9 density provides a fixed 3-stop reduction, allowing comfortable use of slow shutter speeds for water motion or wide apertures for portraits in sunlight. It runs out when lighting demands more than 3 stops of reduction, requiring a stronger filter or a different solution.

Highlights

  • Reduces exposure by 3 stops for creative control
  • ACCU-ND coating prevents colour shift across the spectrum
  • Blocks infrared leakage for clean, accurate colours
  • Enables motion blur effects in bright conditions
  • 77mm thread fits compatible lenses and allows stacking

Specifications

No published specifications for this item yet.

Questions about this item

What lens thread size do I need for this 77mm filter?

The filter mounts directly on any lens with a 77mm front thread; no step-up ring is required if the lens already matches that diameter.

Can I stack a circular polariser in front of this ND filter?

Yes, the aluminium frame has front threads so another 77mm filter such as a circular polariser can be screwed on top.

How do I verify the filter is cutting exactly three stops without adding a colour cast?

Shoot a grey-card reference with and without the filter at the same aperture; the exposure should shift by three stops and the white-balance reading should stay neutral.

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