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Marumi
Marumi ND32000 100x100mm square camera filter 15 stops 4.5 density
A 100x100mm square neutral-density filter giving 15 stops of light reduction using Schott 5270 glass with low-reflection double-side coating
- 15-stop density enables ultra-long exposures in bright light
- Schott 5270 glass delivers high-definition optical clarity
- Double-side low-reflection coating minimises flare and ghosting
- Anti-scratch, anti-static, water- and oil-repellent surfaces simplify maintenance
- 100×100 mm square format fits M100 filter holder systems
Purpose-built neutral density for long-exposure work
The Marumi ND32000 is a 100x100mm square filter that reduces light by 15 stops with a 4.5 optical density. It is designed for photographers who need extreme shutter lengths in bright conditions such as seascapes, waterfalls or architectural studies.
Fits the M100 holder system without vignetting
The filter slots into a standard 100mm holder so it works with adapter rings for common thread sizes. Schott 5270 glass keeps the optical path flat, and the slim frame leaves the front of the holder free for a circular polariser or additional graduated filters.
Double-side coatings resist flare
Low-reflection layers suppress ghosting when the sun hits the glass at low angles. Anti-static, water-repellent and oil-repellent finishes let rain, spray or fingerprints wipe clean without micro-scratches, so contrast stays consistent through repeated field use.
Highlights
- 15-stop density enables ultra-long exposures in bright light
- Schott 5270 glass delivers high-definition optical clarity
- Double-side low-reflection coating minimises flare and ghosting
- Anti-scratch, anti-static, water- and oil-repellent surfaces simplify maintenance
- 100×100 mm square format fits M100 filter holder systems
Specifications
No published specifications for this item yet.
Questions about this item
How many stops of light reduction does the ND32000 provide?
The filter delivers 15 stops of reduction, equivalent to a density of 4.5 and a factor of 32000.
What coatings control reflections and heat buildup during long exposures?
Double-side low-reflection coating on Schott 5270 glass minimises flare; anti-static, water-repellent and oil-repellent layers keep the surface clean so heat does not concentrate on contaminants.
Which filter holder system must I already own for this 100x100mm square to mount securely?
It is designed for the M100 holder system, so an M100-compatible holder and adapter rings for your lens thread are required.
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