Feature: 1. High‑quality alloy body with strong texture, exquisite appearance, fine craftsmanship, and precise scale. 2. The 500mm telephoto lens is a good choice for shooting birds and wild animals as well as ultra‑long distance shooting. 3. The foldback design greatly reduces the size and weight of the lens, making it more convenient to use and carry. 4. 3 groups of 7 optical structure, multi‑layer MC coating can suppress lens flare and ghosting, improve contrast and color authenticity. 5. The large aperture of F7.5 greatly increases the amount of light entering in order to obtain a more reliable and safe shutter time. 6. Fit for Canon EOS EF/APS‑C camera, for 5D4/5D3/6D2/90D/80D/77D/70D/60D/50D/40D/30D/20D/10D/7D/6D/5D/1D/Rebel T8i/T8/T7i/T7s/T7/T6i/T6s/T6/T5/T4i/T3i/T3/T2i/T1i/SL3/SL2/SL1. Specification: Item Type: Telephoto Mirror LensMaterial: Alloy + Optical GlassColor: As Picture ShownInner Filter Size: Approx. 77mm/3.0inWeight: Approx. 515g/18.2oz Focal Length: 500mm Aperture: F7.5 Mount: for EF Mount Application: for Canon EF Mount SLR Camera Optical Structure: 3 Elements in 7 Groups Coating: Multi-Layer MC Coating Focus Method: Manual Focus Anti-Shake Function: No Closest Focusing Distance: 4m Applicable Scenarios: Landscape, architecture, people, insects, tourism, business, sports, wedding, humanities, etc. How to use: 1. Align the identification point of the lens mount with the identification point of the adapter ring, and rotate it clockwise. When you hear a "click" sound, it means that the lens has been installed in place 2. Align the identification point on the lens adapter ring with the adapter ring to the identification point on the fuselage, and rotate clockwise when you hear a "click" sound, it means it is installed in place 3. Press and hold the camera lens release button and rotate it counterclockwise to remove the lens together with the adapter ring 4. Install the adapter ring release button and rotate it counterclockwise, the adapter ringcan be removed from the lens. Package List: 1 x Telephoto Mirror Lens1 x Storage Bag1 x Adapter Ring1 x Wrench1 x Manual