CowboyStudio Eye Cup Eyecup for Canon EOS 10d, 20d, 30d, 40d, 50d, 60D, 7d, 5D, 5d Mark II, III, 1D, 1Ds, Mark II, III, IV. 1DC, 1DX One (1) Eye Cup^NOTE: For camera models with large fold out, swiveable LCD screens - using an eyecup may prevent you from opening and closing your LCD screen freely.^New Rubber Eyecup (CANON 18MM) for Canon Digital SLR Cameras. Comfortable ergonomic rubber design. Easy Installation.^Compatible with the Following Models: CANON EOS 10d, 20d, 30d, 40d, 50d, 60D, 7d, 5D, 5d Mark II, III, 1D, 1Ds, Mark II, III, IV. 1DC, 1DX