brand new and high quality Features: 1.51X view magnification, make it easier to for you find excellent views and obtain accurate for focus. Good helper for short-sighted / long sighted people (within 500 degree), enable you to see view clearly without glasses. High quality anti-fog optical glass, do not create vignetting or affect brightness after installation. 15mm height away from the camera after installation, ease your organs and keep them away from the screen. 6 magnifier mounting bases, for various DSLR camera. Specifications: Magnification: 1.51X Color : Black Quantity:1 Set Compatibility: 6 different mounting bases fit for various DSLR camera, such as "N" mounting base: For Nikon (Full-frame & APS-C) DSLR Camera and etc; "C-EF" mounting base: For APS-C DSLR Camera and etc; "C-1D/5D3/7D" mounting base: For Full-frame DSLR Camera and etc; "P" mounting base: For Pentax DSLR Camera and etc; "F" mounting base: For Kodak, Leika R, for Olympus Camera and etc; "S/K" mounting base: For , Minolta Camera and etc. Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Include: 1 x Viewfinder Eyepiece with Covers 2 x Eyepatch 6 x Viewfinder Mount Base (other accessories demo in the picture is not included.)