Formatt Hitech 6.6x6.6" Clear Standard Optical Flat

OVERVIEW The Formatt Clear Filter is a clear (colorless) filter for color as well as black and white films. Also serves as a permanent lens protector. Each filter is manufactured from Schott-Desag B270 Crown Optical Glass Filter Absolute consistency in color and density to Kodak Wratten standards Precision grinding and polishing result in unbeatable optical flatness allowing use on even ultra-long focal length lenses Filter edges are protected with a unique frame for maximum protection and easy handling SPECS Filter Type Clear Filter Factor 1 (+0-Stop) Shape Rectangle Rotating No Rectangular Size 6 x 4" / 150.0 x 100.0 mm Front Accessory Thread / Bayonet Unthreaded Filter Thickness 0.12" / 3 mm Filter Material Glass Coatings None Packaging Info Package Weight 0.5 lb Box Dimensions (LxWxH) 2 x 2 x 2"