Fotodiox Pro 186mm Slim ND 4 Filter - Neutral Density 4 (2-Stop) Filter for WonderPana XL System

Fotodiox

Description Specs Compatibility Notes Product Highlights: • Premium Grade Optical Glass Filter; High Quality, Single Threaded, Slim ND4 Filter • Premium Grade Anodized Aluminum Ring, 186mm x 1mm Standard Filter Thread • Enables slow shutter speeds to be used, allowing film to record movement in subjects such as waterfalls, clouds, or cars • Decrease depth of field by allowing wider apertures to be used, in turn helping to separate subjects from their background • Decrease the effective ISO of hi