Sony
Sony Alpha a6400 compact mirrorless camera black with 16-50mm and 55-210mm lenses 32GB
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B + W Filter Company
B + W Filter Company 52mm Master 803M ND 0.9 3-Stop MRC Nano Neutral Density Filter camera filter
A 52mm neutral density filter that cuts three stops of light for long exposures or wide apertures in bright conditions
- Reduces light by three f-stops for bright scenes
- 52mm thread fits compatible lenses directly
- Multi-layer anti-reflective coating cuts reflections for better contrast
- Water- and dirt-repellent surface simplifies cleaning
- Uniform attenuation keeps colours neutral across the frame
52mm Master 803M ND 0.9 Filter
This 52mm neutral density filter reduces light by three stops for photographers and videographers who need longer exposures or wider apertures in bright conditions. The Master 803M ND 0.9 model uses finely ground special glass to maintain optical quality across the frame. It suits any workflow where precise light control is required without colour shift.
Multi-layer coating and repellent layer
Seven anti-reflective layers per side cut flare and ghosting for better contrast and clarity. The outer nano coating repels water and dirt so the glass stays clean during outdoor shoots and wipes clear with minimal effort. Uniform attenuation across the visible spectrum keeps colours neutral from centre to edge.
Simple thread-on installation
The filter screws directly onto any 52mm front thread without adapters or tools. Its slim profile prevents vignetting on wide-angle lenses. The only common issue is cross-threading if the filter is forced; aligning the threads carefully avoids this. Clean the glass before mounting to prevent trapped dust.
Highlights
- Reduces light by three f-stops for bright scenes
- 52mm thread fits compatible lenses directly
- Multi-layer anti-reflective coating cuts reflections for better contrast
- Water- and dirt-repellent surface simplifies cleaning
- Uniform attenuation keeps colours neutral across the frame
Specifications
No published specifications for this item yet.
Questions about this item
Will the MRC Nano coating on this 52mm Master 803M filter wear off and require replacement?
The multi-layer anti-reflective coating has 7 layers per side plus a dirt- and water-repellent outer layer designed for durability and easy cleaning; it does not wear off under normal use.
What limits continuous use of this ND 0.9 filter during long exposures?
The 3-stop light reduction is fixed, so the limit is the exposure time your scene requires; the glass and coatings do not degrade or shift colour during sustained use.
Does the 52mm Master 803M filter add heat or noise to the lens during all-day shooting?
It is passive optical glass with no electronics, so it generates no heat and no noise; the thin-frame design simply reduces light by three stops without affecting lens temperature.
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