Elvid OptiView 50 3.2" LCD Viewfinder Fits Most 3.0" & 3.2" LCD Screens; Compatible with 3:2 & 4:3 Aspect Ratios Magnifies Display by 300%; Blocks Light from Hitting Screens Soft Eyecup Can be Used with Either Eye; Multi-Coated Optical Glass Removable Rear Half Aluminum Mounting; Frame with Adhesive Lanyard Included