Hoya NDX400 82mm Neutral Density , 9 Stop Multi-Coated Glass Filter Humvee It is also useful as

It is also useful as a general protective filter to leave on lenses at all times

and a single gain control with a clip indicator

The watertight enclosure will float

The high LED count means the Tri-8 is capable of outputting 24000 lux @ 0

Hoya NDX400 82mm Neutral Density , 9 Stop Multi-Coated Glass Filter Humvee It is also useful asThe Hoya 82mm NDx400 HMC Filter is a solid neutral density filter that enables a 9 stop increase in exposure length. The optical 2. 7 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you are able to control depth of field and convey movement more easily. This filter features a three layer HMC multi