LENSES & FILTERS Filters Neutral Density Filters B+W 49mm Neutral Density ND 0.3, F-stop +1, Factor 2x, SC (Single Coat) F-Pro (101E) B+W 49mm Neutral Density ND 0.3, F-stop +1, Factor 2x, SC (Single Coat) F-Pro (101E) More photos (3) PreviousNext 4 points to the loyalty system 10 years warranty Availability Product is no longer available Manufacturer B+W Product code 100968 Description Discussion Selected parameters Filter Size 49 mm ND factor ND 2 f-stop Reduction 1 step EV Send