The Eyecup Eye Cup is providing effective cushioning and shielding of stray light. Replacement Eyecups are available to fit a variety of cameras. If you have lost your original eyecup， this is an excellent， high quality replacement choice.                                    Features            Precision design for perfect fit your camera<br>Soft Rubber for Eye Comfort<br>Light Tight Coverage<br>Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue<br>                                                                                                Package Includes            1 x 18mm Rubber Eye Cup<br>                                                            Extra Info            Compatibility: CANON EOS 400D 350D 300D 5D 10D 20D 30D D60 D30， EOS Digital Rebel， Rebel XT， Rebel XTi， 1D， 1D MK II， EOS 66， 888， 100， 100s 300， 88QD， 500N， EOSAD1， EOSIN<br>Minolta Maxxum/Dynax 7D， 5D， 7， 9xi， 5xi， SE， D7D， D5D 7XL， All 18mm eyepiece<br>SONY Alpha A100 A700， Sigma SD10 SD9， Contax RTS ARIA， NIKON F401， Fuji STX-2<br>