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. 7 groups of 6 elements optical structure, multi‑layer MC coating can suppress lens flare and ghosting, improve contrast and color authenticity. 5. The large aperture of F6.3 greatly increases the amount of light entering in order to obtain a more reliable and safe shutter time. 6. Fit for M4/3 mount camera, fit for GH5/GM10/GX8/GF9/G7/G85, for Olympus E‑M1/E‑M5/E‑M10 camera. Specification: Item Type: Telephoto Mirror LensMaterial: Alloy + Optical GlassColor: As Picture ShownWeight: Approx.857g/30.2oz Focal Length: 500mm Aperture: F6.3 Mount: for M4/3 Mount Application: for Olympus M4/3 Mount Mirrorless Camera Optical Structure: 7 Elements in 6 Groups Viewing Angle: 5° Coating: Multi-Layer MC Coating Focus Method: Manual Focus Anti-Shake Function: No Closest Focusing Distance: 2m 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 Adapter Ring1 x Storage Bag1 x Manual1 x Wrench