Features 1??500mm telephoto lens, manual focusing, the closest focusing distance is 10 meters. 2??Manual adjustment, all?metal structure, optical glass multilayer MC coating. 3??High?quality aluminum alloy body, exquisite and textured. 4??Small size and volume design, easy to carry, fixed with tripod ring. 5??Widely used, the lens itself is for T2 mount, and can be mounted for Olympus M4/3 mount camera through standard adapter ring, used to shoot long?distance objects, such as wild animals, natural scenery, sports games, etc. Specification Condition: Item type: Telephoto Lens Material: Plastic + alloy + optical glass Color: As picture shown Weight: Approx. 867g Focal length: Approx. 500mm/19.7in The closest focusing distance: about 10 meters Aperture: for F8-F32 Focusing: manual focusing Optical structure: 4 elements in 4 groups Minimum focusing distance: about 10M Front filter size:Approx. 67mm/2.6in Product Length: Approx. 32cm / 12.6in Focusing method: manual focusing Anti-shake function: no Applicable models: for Olympus M4/3 Mount Camera Package List 1 x Telephoto Lens 1 x Adapter ring 1 x Wrench 1 x Front lens cover 1 x Rear lens cover 1 x Storage bag