JJC Eyecup EXTENDER EC-6 For CANON EOS 7D, CANON EOS 1D Mark IV, CANON EOS 1D Mark III, CANON EOS 1Ds Mark III, Rubber Eyepiece Extender
Extends the eyepiece 5/8" (15mm) from the camera body and reduces viewfinder magnification by 30%. Useful for eyeglass wearers and others to keep the tip of the nose from touching the camera body.