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B+W 39mm Black Mist 1/8 diffusion filter with matte black ring

B + W Filter Company

B + W Filter Company 39mm Black Mist 1/8 MRC Nano Diffusion Filter #66-1108727 camera filter

SKU CH-57XD-RBD6R

A 39 mm diffusion filter that softens highlights and adds a gentle glow around bright lights while multi-resistant nano coating cuts reflections and repels water and oil

  • Subtle highlight softening with 1/8 Black Mist diffusion
  • Reduced glare and ghosting via MRC Nano coating
  • Scratch-resistant surface protects optical glass during use
  • Water and oil repellent layer eases cleaning
  • 39 mm thread fits compatible lens diameters

What this filter does

The B + W 39 mm Black Mist 1/8 diffusion filter adds a subtle white-mist glow around bright highlights while preserving overall image clarity. It is aimed at photographers and videographers who want a cinematic halation effect without heavy softening.

Build and daily handling

The filter ring carries a matte black finish that reduces stray reflections and a nano-coated MRC layer that repels water, oil and fingerprints. Enhanced scratch resistance keeps the Schott glass surface durable during frequent mounting and cleaning.

Limits of the 1/8 strength

The 1/8 density provides only a gentle lift in highlight bloom, so scenes with extreme contrast may still show hard edges. Users needing stronger diffusion or a different thread size will need another filter grade.

Highlights

  • Subtle highlight softening with 1/8 Black Mist diffusion
  • Reduced glare and ghosting via MRC Nano coating
  • Scratch-resistant surface protects optical glass during use
  • Water and oil repellent layer eases cleaning
  • 39 mm thread fits compatible lens diameters

Specifications

No published specifications for this item yet.

Questions about this item

What filter thread size does the 39mm Black Mist 1/8 MRC Nano Diffusion Filter require?

The filter screws directly onto any lens with a 39 mm front thread; no step-up or step-down rings are included.

What physical clearance does the 39mm Black Mist 1/8 MRC Nano Diffusion Filter need when mounted?

Its slim brass ring adds roughly 5 mm of depth, so check that your lens hood or matte box still clears the front element.

How is the 39mm Black Mist 1/8 MRC Nano Diffusion Filter installed, and what step is often missed?

Screw it on until the matte black ring sits flush, then give a gentle quarter-turn to seat the MRC Nano coating evenly; many forget that final seating turn.

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