DSLRKIT 1.08x-1.60x zoom viewfinder eyepiece magnifier for Canon Nikon Pentax Sony Olympus Fujifim Samsung Sigma Minoltaz This zoom viewfinder magnifier is specially designed for DSLR photographing. Its ratio can reach It is improved based on previous series, and comes with bigger lens which can better solve the This Viewfinder Magnifier adjusts the viewfinder's image by a ratio of 1.08x-1.60x and makes the Suitable for: Canon:D30/40D/60D/300D/350D/400D/450D/500D/550D/1000D/10D/ 20D/30D/5D/5D2/7D/EOS1 How to use: 1.remove the original viewfinder eyecup. 2.install the adapter on the viewfinder of