Feature 1 Highquality alloy body with strong texture, exquisite appearance and fine craftsmanship. Can be used with all for Nikon AI mount cameras, including D850, D810, D800, D780, D750, D500, D7500, D7200, D5600, etc. 2 The 500mm telephoto lens is a good choice for shooting birds and wild animals as well as ultralong distance shooting. 3 The mirror design greatly reduces the size and weight of the lens, making it more convenient to use and carry. 4 3 groups of 7pcs optical structure, multilayer 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 It can obtain more free to control aperture and shutter, and bring more exposure means and creation space for photographic creation, and effectively prevent overexposure. 7 Can be used with all for Nikon AI mount cameras, including D850, D810, D800, D780, D750, D500, D7500, D7200, D5600, etc.Item Type: Camera Mirror LensMaterial: Alloy + optical glassColor: As Pictures Shown Weight: Approx. 500g/17.6ozFocal length: 500 mmAperture: F7.5Mount: for AI mountApplicable model: for Nikon AI mount SLR cameraOptical structure: 3 groups of 7pcsCoating: multi-layer MC coatingBuilt-in filter size: 77mm/3.0inFocus mode: manual focusAnti-shake function: noneClosest focusing distance: 4mApplicable scene: landscape, architecture, characters, insects, tourism, business, sports, wedding, humanities, etcLens size: Approx. 107x80mm/4.2x3.1inHow 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 place2. 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 place3. Press and hold the camera lens release button and rotate it counterclockwise to remove the lens together with the adapter ring4. Install the adapter ring release button and rotate it counterclockwise, the adapter ring can be removed from the lensPackage List1 x Mirror Lens1 x Storage Bag 1 x Adapter Ring1 x Wrench 1 x Manual