Features: Great for having a clearer and larger vision. 1.08x-1.60x zoom eyepiece magnifier for DSLR photographing. 250 vision mediation, greatly improve the eyesight of photographer who is with glasses or with ages. An assistant to avoid nose touching and block stray lights.. Optical film and the 15mm hump of the eyecup good for anti-fogging. The eye cup is made of rubber, soft and comfortable. 6 type ports for various cameras: Suitable for Canon EOS 70D 60D 50D 40D 30D 20D 10D 700D 600D 550D 450D 400D 1000D 5D MarKII 5D MarKIII 7D 6D 1D 1DX for Nikon D40x D40 D60 D70s D80 D90 D200 D300s D300 D600 D700 D3100 D3200 D5100 D5200 D5300 D7000 for Pentax K5 K-R K-M K7 KX K10D K100D K20D K200D for Sony a100 a200 a350 a450 a500 a550 a700 a900 for Olympus E-300 E330 E410 E420 E500 E510 for Fujifim S2PRO S3PRO S5PRO for Samsung GX10 GX20 for Minolta ?5D ?7D x-700