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Haida 77mm Greystone ND 1.8 circular filter with black aluminum ring and front threads

Haida

Haida 77mm Greystone ND 1.8 64x camera filter

SKU CH-KX61-BTFCZ

A 77 mm neutral-density filter with 1.8 density and 64× factor for six-stop exposure control, multi-coated optical glass in a slim aluminium ring with front threads

  • 6-stop exposure reduction with 64x filter factor for creative motion blur
  • 8 density neutral darkening preserves true color fidelity across the frame
  • Premium optical glass construction delivers superior clarity and minimal distortion
  • Multi-coating technology reduces ghosting and reflections for cleaner images
  • Lightweight 77mm aluminum-alloy ring minimizes vignetting and accepts front-threaded filters

77mm Greystone ND 1.8 Filter

The Haida 77mm Greystone ND 1.8 is a circular neutral density filter designed for photographers who need precise exposure control. It provides a 6-stop reduction using a 64x filter factor, allowing wider apertures or slower shutter speeds in bright conditions. The 1.8 density darkens the image evenly while maintaining color fidelity. It suits landscape and long-exposure shooters who require optical clarity.

Screw-on installation with front threads

The filter mounts directly onto any lens with a 77mm thread via its lightweight aluminum-alloy ring, which is engineered to minimize vignetting on wide-angle lenses. Advanced multi-coating reduces ghosting and reflections while helping the glass stay cleaner during handling. Front filter threads allow stacking with additional filters such as a circular polarizer. Ensure the lens cap size matches the front thread diameter if stacking.

64x factor for 6-stop reduction

The defining specification is the 64x filter factor, which delivers exactly 6 stops of light reduction at a density of 1.8. This fixed value determines whether the filter matches the creative intent for motion blur or depth-of-field control in a given lighting situation. Buyers needing variable density or a different stop value should select an alternative filter strength.

Highlights

  • 6-stop exposure reduction with 64x filter factor for creative motion blur
  • 8 density neutral darkening preserves true color fidelity across the frame
  • Premium optical glass construction delivers superior clarity and minimal distortion
  • Multi-coating technology reduces ghosting and reflections for cleaner images
  • Lightweight 77mm aluminum-alloy ring minimizes vignetting and accepts front-threaded filters

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the filter is delivering the full 6-stop reduction after I mount it?

Meter a scene without the filter, then meter again with it fitted; the exposure should shift by six full stops, matching the 64x factor.

What comes in the box and what must I purchase separately?

The box contains the 77 mm Greystone ND 1.8 filter in its aluminum-alloy ring; any lens adapters, step-up rings, or additional filters for the front threads are sold separately.

Which density should I choose if I need a 6-stop neutral density effect?

Select the 1.8 density version — its 64x filter factor provides exactly a 6-stop exposure reduction while preserving neutral color balance.

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