eForCity Eye Cup Eyecup EF Compatible with Canon EOS Rebel XS XSI XTI 50D 5D This 18mm Eyecup for Canon replaces your lost, damaged or broken eyepiece Features a soft outer edge rubber cushion . Two small clips on the back secures the eyepiece onto your camera. Interior Dimensions: 17mm x 12mm. Overall Dimensions: 40mm x 24mm. Color: Black. Refer to your Canon's user manual or manufacturer to ensure compatibility. Accessory ONLY, camera is not included. Compatible With Canon: EOS 1000D / 10D / 20D / 20Da / 300D / 30D / 350D / 400D / 40D / 450D / 500D / 50D / 5D / D30 / D60 / Digital Rebel / Digital Rebel XS / Digital Rebel XSi / Digital Rebel XT / Digital Rebel XTi / ELAN IIE / Rebel 2000 / Rebel G / Rebel G II.