Braun ND4-400x Vario Smooth gray filter 49 mm (+ reduction to 46 and 40.5 mm)

Neutral gray ND Braun filter with continuously adjustable blackening value in the range of a factor of 2-400x (1-8 apertures). The filter is supplied with a housing and a cover (the outer diameter of the filter is larger than the inner one) or reduction rings. Large black range, especially for video - in addition to extending the shutter speed, it is mainly used to reduce the depth of field. Including reduction to 46mm and 40.5mm!