●Compatible with matte box supporting 4x5.65 filter. ●Made of high-definition optical glass, with no effect on image. ●Clear Protection filter to protect lens against dust, scratches, oil, water and damage. ●Ultra Slim & Lightweight design. The whole filter thickness is only 4mm and weights only 146g. ●Package includes: 1 x 4x5.65" Optical Glass UV Protection Clear Filter.