Movo Photo VF30 Universal 3X LCD Video Viewfinder for Canon EOS, Nikon, Sony Alpha, Olympus & Pentax DSLR Cameras Universal adjustable design is compatible with Canon EOS, Nikon, Sony Alpha, Olympus & Pentax DSLRs Fits up to 3" LCD screens 3.0x Magnification Lightproof rubber eyecup Adjustable diopter