Compaticable Model: Nikon D300 D200, D90,D100, D70S, D70, D50, D80 D40 F80/F50/F50D/F55/F60/F60D/F65/F70/F70D/F75 F301/F401/F501/F601/FE10/FM10 Canon EOS 450D.1000D,400D, EOS 350D, EOS 300D, EOS 300V, EOS 1D, 1DII 1Ds, 1V, EOS D30, 50D,40D,20D,5D, 5DII,20D, 10D, D60, D30, EOS 300, 88QD, 500N, EOSAD1, EOSIN EOS 60, 55, 50E, 33, 30, 30V, 3, 5, Sony A100 A200 A300 Minolta Maxxum/Dynax 7D, 5D, 7, 9xi, 5xi, SE D7D, D5D 7XL All 18mm eyepiece Fujifilm S3 Pro, S2 Pro, 690 All 22mm eyepiece Pentax SP, M, K, Z, P, MZ, *istd, *istds All 22mm eyepiece Contax RTS All 18mm eyepiece, Sigma SD10, SD9 All 18mm eyepiece. Specifications: 3.5cm x 8.5cm/1.4" x 3.4" Weight of 100 grams Rubber eye cup for comfortable viewing Compatible with vast majority of cameras Adjustable for individual eyesights Comes complete with 3 eyepiece adapters 1-2X magnification and 360° turnable, dioptric +/-4 adj As the above picture shows, the number 1 to 4 are following parts: Eyecup. Dioptic correction ring-Turn the dioptric correction ring until the view picture looks clear. Magnification leve - Use the magnification lever to switcvh the magnification between 1X and 2X. Eos-Can according to different camera conversion EOS. Eyecup Adapter: Canon 18mm. Nikon 22mm Leica Pentax Canon 22mm User guide: Detach the original eye piece. Attach right adapter to the viewfinder, then attach the Universial Angle Finder. Switch the magnification to 2X when do macro photography. Adjust the build in dioptric adjustment till you can see the image clearly. Package Includes: Camera Right Angle Finder 5 Adapters for different DSLR or SLR Camera Right Angle Finder Carrying Pouch English user manual Original Sealed Package.