Cavision 4x5.65' Enhanced Range Neutral Density 0.3 Glass Filter, 2mm Thickness

Type: Solid neutral density Construction: Glass Filter Factor:0.3 (1-stop) Effect: Permits and increased exposure Focal Length Range: Up to 300mm / 11.81' (for 35mm Photo equivalent) Thickness:2mm / 0.08' Size:4 x 5.65' / 10.16 x 14.35cm