【Important Note】: FULL MANUAL lens, NO Electronic Contacts, your camera will not detect the lens when mounted, that's why show lens not attached or not recognize, please set camera on M(MF) mode and then setting the "Release W/O Lens" option in the camera menu to "Enable"
【Long Distance Lens】: As a telephoto lens, 500mm add a 2X Teleconverter doubles the power of your lens to 1000mm which can offering you the ability to capture crystal-clear long-distance visuals.
【Wide Compatible 】: 500mm/1000mm Manual telephoto Lens Compatible/Replacement for Canon EOS Rebel T8i, T7, T7i, T6, T6i, T5, T5i, SL2, 4000D, 2000D, 80D, 77D, 700D, 70D, 60D, 5D, 6D, 7D, 600D, 550D, 200D, 1300D, 1400D, 1500D etc.
【Manual Focus Lens】: Manual camera lenses cannot display the aperture value in the camera. Need adjusted to Shutter speed and ISO take a good photo.
【Strict Quality Control】: All of our lenses all passed strict quality testing.if they don't work, it's an operational and setup issue. Pls contact us anytime for more details on the settings and using.