Feature: 1. 1.51X view magnification. 2. Good helper for short-sighted / long sighted people (within 500 degree). 3. High quality anti-fog optical glass, no vignetting or effect brightness of viewfinder after installation.. 4. ease your organs and keep them away from the screen. 5. 6 magnifier mounting bases, compatible with most DSLR camera. 6. 1.51X view magnification, make it easier to for you find excellent views and obtain accurate focus. 7. Good helper for short-sighted / long sighted people (within 500 degree), enable you to see view clearly without glasses. 8. High quality anti-fog optical glass, do not create vignetting or affect brightness after installation. 9. 15mm height away from the camera after installation, ease your organs and keep them away from the screen. 10. 6 magnifier mounting bases, compatible with various DSLR camera. 11. It is a good helper for short-sighted / long sighted people (within 500 degree). 12. it is easy for your organs and to keep them away from the screen. 13. 6 magnifier mounting bases, it is compatible with most DSLR camera. Specification: This 1.51X viewfinder magnifier is specially designed for DSLR photographer. Make it convenient and clear for photographer who are with glasses to spot scenes. Features: 1.51X view magnification, make it easier to for you find excellent views and obtain accurate 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, compatible with various DSLR camera. Specifications: Magnification: 1.51X Item Size: 3.5 * 3.2 * 2.2cm / 1.4 * 1.3 * 0.9in Item Weight: 20g / 0.7oz （with covers） Package Size: 10.3 * 10.1 * 3.6cm / 4.1 * 4.0 * 1.4in Package Weight: 83g / 2.9oz Compatibility: 6 different mounting bases fit for various DSLR camera, such as "N" mounting base: Replacement for Nikon (Full-frame & APS-C) DSLR Camera and etc; "C-EF" mounting base: Replacement for Canon APS-C DSLR Camera and etc; "C-1D/5D3/7D" mounting base: Replacement for Canon Full-frame DSLR Camera and etc; "P" mounting base: Replacement for Pentax Samsung DSLR Camera and etc; "F" mounting base: Replacement for Fujifilm, Kodak, Sigma, Leika R, Camera and etc; "S/K" mounting base: Replacement for Sony, Minolta Camera and etc. Package List: 1 * 1.5X Zoom Viewfinder Eyepiece with Covers 2 * Eyepatch 6 * Viewfinder Mount Base Note: Camera is not included. Package List: 1 * 1.5X Zoom Viewfinder Eyepiece with Covers 2 * Eyepatch 6 * Viewfinder Mount Base Note: Camera is not included.