The Fotodiox Macro Reverse Ring is a simple and finely crafted tool that brings macro photography to enthusiasts and professionals alike at a fraction of the price for a macro lens. Allows for any lens with the specified filter thread to be reverse mounted onto a camera. By doing this, anyone can recreate extreme macro reproductions. Macro capabilities will vary from lenses due to focal length and minimum focusing distance. Nevertheless, this simple ring will help achieve a whole new style of shooting your creative side has yet to unleashpatible Sony Alpha A-Mount (and Minolta AF) Mount SLR Cameras - Popular models include: A350, A900, A230, A330, A380, A550, A500, A850, A450, A290, A390, A560, A580, A33, A55, A35, A65, A77, A57, A37, A99, A58, A77IIMinolta Maxxum 5D, 7D, 7, 9xi, 7xi, 5xiNote: This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc. ) will be disrupted. Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode. If your lens does not have a manual aperture control ring, it will stop down to its smallest f/stop by default. All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.