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A 52mm circular camera filter with a dark neutral grey glass disc in a thin black aluminium frame

HOYA Filter

HOYA Filter 52mm PROND EX 64 Neutral Density 1.8 6-Stop camera filter

SKU CH-5PK5-F2KXN

A 52 mm neutral-density filter that cuts light by 6 stops (ND 1.8) using ACCU-ND technology to prevent colour shift and infrared leakage, suited to both stills and video

  • Reduces exposure by 6 stops for long exposures
  • ACCU-ND technology prevents color shift in visible and IR light
  • No infrared light leaks for clean image quality
  • Create motion blur effects with moving subjects
  • Suitable for both still photography and video recording

Purpose and audience

The HOYA PROND EX 64 is a 52mm neutral density filter that reduces incoming light by six stops. It is built for photographers and filmmakers who need precise exposure control in bright conditions without altering colour balance.

Optical performance

ACCU-ND technology delivers equal attenuation across visible and infrared spectra, eliminating the colour shift common with lesser filters. Infrared leakage is blocked, so long exposures and wide apertures remain clean for both stills and video work.

Build and compatibility

A lightweight, precision-milled aluminium frame holds the glass and provides a front thread for stacking or caps. The 52mm diameter fits lenses with that thread size; owners of other diameters will need step-up or step-down rings.

Highlights

  • Reduces exposure by 6 stops for long exposures
  • ACCU-ND technology prevents color shift in visible and IR light
  • No infrared light leaks for clean image quality
  • Create motion blur effects with moving subjects
  • Suitable for both still photography and video recording

Specifications

No published specifications for this item yet.

Questions about this item

How do I fit the 52mm PROND EX 64 filter onto my lens without cross-threading the aluminum frame?

Screw the filter onto the 52mm front thread of your lens by turning it clockwise until snug; the precision-milled aluminum frame engages smoothly, but forcing it can strip the fine threads, so stop at the first firm contact.

Will the ACCU-ND coating on the 6-stop filter need re-coating or special cleaning over time?

The ACCU-ND coating is bonded to the glass and does not degrade under normal use; clean only with a microfibre cloth and lens fluid, avoiding abrasive wipes that could scratch the surface.

At what point does the 1.8 density filter start to show infrared leakage during very long daylight exposures?

The filter blocks infrared across the spectrum, so IR leakage does not appear even during multi-minute exposures in bright sunlight; the 6-stop reduction remains colour-neutral throughout.

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