COMPATIBILITY: Can be used on all Canon APS-C and full frame cameras including EOS 80D, 77D, 70D, 60D, 60Da, 50D, 40D, 30D, 20D, 7D, 6D, 5D, 5DS, 5DS R, 1D X, Mark II III IV, Rebel T7i, T6s T6i, T5i, T5, T4i, T3i, T3, T2i, T1i, SL2 and SL1. BUILT-IN TRIPOD COLLAR: Allows the lens to be mounted to a tripod for greater stability and easier focusing. When the weight of a lens reaches a certain threshold, it's no longer safe to mount the camera to a tripod as the weight of that lens would put too much strain on the lens mount. LOW DISPERSION - One extra-low dispersion (LD) element is incorporated within the design that helps to greatly reduce chromatic aberrations for increased clarity, sharpness and color accuracy when photographing in strong lighting conditions. Ultra nano multi-coating eliminates lens element reflections and reduces ghost and flare. ADVANCED CONSTRUCTION: Featuring an optimized design, this lens a series of 4 optical glass elements in 4 groups to reduce chromatic and spherical aberrations. An anti-reflective coating suppresses lens flare and ghosting for increased contrast and color fidelity. The lenses housing is built with a full metal body and rear mount allowing it to withstand wear and tear much better than plastic lenses while commanding a rugged, solid feel. SUPER ZOOM: Manual focus 500mm (750mm on Canon APS-C), this lens is not only a superb long-range choice but also performs well in a variety of scenes from sports to surveillance to everyday shooting. Feel free to explore the capabilities of this lens.Lens Coating Description: HD Coating. Lens Fixed Focal Length: 500 Millimeters. Focus Type: Manual Focus. Lens Design: Prime. Minimum Focal Length: 500 Millimeters. Maximum Focal Length: 500 Millimeters. Camera Lens Description: 8. Compatible Mountings: Canon EF,Canon EF-S, Canon EF. Lens Type: Telephoto. Brand: Opteka. Manufacturer: Opteka. Date First Available: July 26, 2018. Best Sellers Rank: #29 in Camera & Camcorder Lens Bundles #3,921 in Camera Lenses. Customer Reviews: 4.2 out of 5 stars 7 ratings 4.2 out of 5 stars. Item model number: opteka127300. : B07FXZQJDS. Item Weight: 1.3 pounds. Product Dimensions: 11.3 x 2.2 x 2.2 inches.