18mm Camera EyeCup Eye Cup for Canon EOS 550D 650D 700D 100D 5D D60 D40 D30 Brand new and high quality Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue Compatibile with Canon 18mm: EOS Rebel 2000 , EOS Rebel G , EOS Rebel GIIEOS Rebel X , EOS Rebel , EOS Rebel xt, xti, xs, xsi, T1i T2i T3 T4i T5i EOS 300D 350D 400D 450D 500D 550D 650D 700D 1100D 1000D 100D EOS 10S EOS Elan EOS 10 EOS 100 EOS 650 EOS 620 EOS 630 EOS 600 EOS RT Size: 5.7cm x 3.7cm x 2.5cm - 2.24inch x 1.46inch x 0.98inch