500mm ROKINON MF Telephoto Lens for CANON EOS Elan, XTi, XSi, 30D, 50D 500mm Super Telephoto Lens fits any Film or Digital SLR with Canon EOS mount Mounts to camera using an included T-mount Adapter Black finish with Aluminum Alloy construction for strength Rotating Tripod Mount at midpoint provides maximum stability for sure shot picture taking