Lightdow 500mm f/8 Telephoto Mirror Lens for Canon Rebel EOS 80D 77D 70D 60D 50D 7D 6D 5D 5DS 1DS T7i T7s T7 T6s T6i T6 T5i T5 T4i SL2 and SL1 Digital SLR Cameras

• UPC   737353591366
• This 500mm Manual ultra-telephoto, multi-coated mirror lens is ideally suited for sports and wildlife photography. Computer-designed using a combination of lenticular light refraction and reflection optics--the same physics used in many professional telescopes. Lens Construction: 6 Elements in 6 Groups Highly complex, precision-made, optical instrument with a fixed aperture of f/8.0 which is faster than most other 500mm lenses. NOTE: This is a manual lens, NO Electronic Contacts, your camera will not detect the lens when mounted, that's why it shows not connecting properly, please switch to MF MODE in order to use this lens correctly. Tips to use our Manual Lens: 1) Set the mode dial to Manual (M). 2) Set the Release w/o Lens option in the camera menu to Enable. 3) Set the Shutter lock option in the camera menu to Off: no lens.