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Nisi

Nisi Pro ND32K Screw-In 4.5 15-Stop Round Filter for S5 Filter Holder

SKU CH-0GR1-BMCZC

A screw-in 15-stop ND filter that replaces the circular polariser in S5 holders, with a raised front edge for easy grip and ultra-low colour cast

  • 15-stop ND32K density enables ultra-long exposures
  • Replaces the S5 holder's native circular polarizer directly
  • Raised front edge allows quick grip for install and removal
  • Optical glass resists water, scratches and oil smudges
  • Ultra-low colour cast preserves natural tones with anti-glare coating

15-Stop Screw-In Filter for S5 Holders

This round ND32K filter screws directly into the S5 filter holder, replacing the native circular polarizer. It is designed for photographers who need extreme light reduction for long-exposure work in bright conditions. The 15-stop density allows shutter speeds to be extended dramatically without changing aperture or ISO.

Replaces Native Circular Polarizer

The filter threads into the same position as the holder’s built-in polarizer, so users can swap to neutral density without removing the holder from the lens. A raised front lip provides a secure grip for quick installation and removal in the field. This upgrade is worth it when a polarizer is not needed but heavy neutral density is required for creative motion blur.

Ultra-Low Color Cast Under Extended Exposure

High-quality optical glass with anti-glare coating keeps colour shift minimal even during very long exposures. The glass is waterproof and resistant to scratches and oil, so performance stays consistent in wet or dusty environments. A protective nylon sleeve is included for safe storage when the filter is not seated in the holder case.

Highlights

  • 15-stop ND32K density enables ultra-long exposures
  • Replaces the S5 holder's native circular polarizer directly
  • Raised front edge allows quick grip for install and removal
  • Optical glass resists water, scratches and oil smudges
  • Ultra-low colour cast preserves natural tones with anti-glare coating

Specifications

No published specifications for this item yet.

Questions about this item

Does this filter thread directly into the S5 holder or replace the existing polariser?

It replaces the native circular polariser and screws into the S5 holder's front threads, so no extra adapter rings are needed.

The raised front lip is meant for grip — what is the common mistake when removing it?

Users often twist the glass instead of the metal lip, which can loosen the coating; always grip the raised edge and turn slowly.

How should the optical glass be cleaned to keep the waterproof and scratch-resistant coatings intact?

Rinse dust off with water, then wipe gently with a microfibre cloth; avoid solvents or abrasive pads that can degrade the anti-glare layer.

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