Opteka T-Mount Adapter for Sony Alpha Digital SLRs DSLR-A350, A300, A200, A700, A900, A100, A380, A500, A550, A850, A450,A290, A390, A580, SLT-A33, A55, Minolta Maxxum 5D, 7D, 7, 9xi, 7xi and 5xi High Quality Metal Construction Attach your camera to the t-mount and you are ready to begin taking pictures! 1 Year warranty