This adapter is not compatible with Canon Full Frame Cameras or the 650D, 700D. Although the lens will fit physically, automatic diaphragm, auto-focusing, and other functions will not operate correctly when using this adapter. The lens does not allow aperture control from the camera body. You can shoot in manual mode or aperture priority mode. For this AF adapter, please note that autofocus is not supported; it only provides focus confirmation (beep sound) during manual focusing. Nikon F AI AIS lens to Canon EOS EF 5D 7D 600D DC192. This adapter enables Canon EOS cameras to use a variety of lenses. It allows Canon EOS owners to expand their photography capabilities. Features: - With AF Confirm Chip - EXIF data fixed at 50mm f/1.4 - Supports AV (Aperture Priority) and Manual Mode - Fixed focus bug on EOS 60D, 550D, 7D - Reprinted electrical contacts - Enables Nikon AI and AF mount lenses to be used on Canon EOS EF camera bodies - Aperture pin stop-down flange design - Compatible with macro rings and other accessories - Capable of infinity focusing Material: Chrome-plated Brass Color: Silver Mounting Instructions: Attach the adapter to the Nikon lens, then mount the combination onto the camera body. Removal Instructions: Remove the lens and adapter together from the camera. Press the lens lock button and remove the adapter from the lens simultaneously. Package Contents: 1 x AF Confirm Nikon Lens to Canon EOS Camera Mount Adapter Note: Only the items listed above are included. Other products are not part of the package. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.