High Qulaity Eyepiece Extender 100% replaces CANON Eyecup EP-EX15 II by CowboyStudio This Eyepiece Extender Extends the eyepiece by 5/8" (15mm) from the camera body, it reduces viewfinder magnification by 30%. Useful for eyeglass wearers and others to keep the tip of the nose from touching the camera body. Compatible Products: CANON EOS 500D 1000D 450D, CANON EOS Digital Rebel XS, T1 100% replaces CANON Eyecup EP-EX15 II