1、Made of high quality material, do not create vignetting or affect brightness after installation 2、51X view magnification, make it easier to for you find excellent views and obtain accurate focus 3、15mm height away from the camera after installation, ease your organs and keep them away from the screen 4、Good helper for short-sighted / long sighted people (within 500 degree), enable you to see view clearly without glasses 5、6 magnifier mounting bases, compatible with various DSLR camera Description: This 1.51X viewfinder magnifier is specially designed for DSLR photographer. Durable and portable. Make it convenient and clear for photographer who are with glasses to spot scenes. Features: 1. Made of high quality material, do not create vignetting or affect brightness after installation. 2. 1.51X view magnification, make it easier to for you find excellent views and obtain accurate focus. 3. 15mm height away from the camera after installation, ease your organs and keep them away from the screen. 4. Good helper for short-sighted / long sighted people (within 500 degree), enable you to see view clearly without glasses. 5. 6 magnifier mounting bases, compatible with various DSLR camera. Specifications: Material: Plastic + Optical Glass Color: Black Package Weight: approx. 84g Magnification: 1.51X Compatibility: "N" mounting base: For Nikon (Full-frame & APS-C) DSLR Camera and etc;                       "C-EF" mounting base: For Canon APS-C DSLR Camera and etc;                       "C-1D/5D3/7D" mounting base: For Canon Full-frame DSLR Camera and etc;                       "P" mounting base: For Pentax Samsung DSLR Camera and etc;                       "F" mounting base: For Fujifilm, Kodak, Sigma, Leika R, Olympus Camera and etc;                       "S/K" mounting base: For Sony, Minolta Camera and etc.  Package Included: 1 x 1.5X Viewfinder Eyepiece with Cover 2 x Eyepatch   6 x Viewfinder Mount Base Camera is not included.