Seagull 1x-3.25x Angle ViewFinder for Canon, Nikon, Minolta, Leica, Pentax and Olympus DSLR SLR Cameras Keeps correct subject position even with 360 degrees rotation Diopter adjustment to accommodate for individual eyesight. Rubber eyecup for comfortable viewing Supports Multiple Brands of DSLR SLR Cameras from Canon, Nikon, Pentax, & Olympus 1-3.25X optical magnification, can observe the details well. Well sealed hood blocks out the light while magnifying the frame for accurate color and focusing.