XPRO External Viewfinder with Optical Aperture for Digital Cameras, Black The edge of lens applies ultra black light absorption coating The viewfinder can be installed in the camera all the time High reflective metal bright frame; Frame lines for 1.1 inch/28mm (35mm eq) Three proofings multilayer broad band anti-reflection film; Spectacle protective ring (rubber) 1 Year Limited Warranty. Quality guaranteed. Free replacement. Professional product advisory and in time customer service