Feature: 1. Enhanced Light Transmission: The F7.5 large aperture of this telephoto camera lens allows more light to enter, which makes for a faster, more reliable shutter speed. This feature is particularly useful when shooting birds, wildlife, and other distant scenes. 2. Premium Optics Design: With 3 groups and 7 pieces of optical glass, this telephoto lens effectively reduces chromatic aberration, while the multi layer MC coating suppress flares and shadows to enhance contrast and color accuracy, delivering sharper images. 3. Compatible with Various Cameras: Featuring a T mount, this manual focus lens is suitable for Nikon, for Fujifilm, for Olympus, for Pentax, and other camera brands with an additional T mount adapter, ensuring broad compatibility. 4. Alloy Material Construction: The solid alloy construction not only adds durability but also elevates the overall look and feel of the lens, making it a versatile option for capturing subjects such as buildings, people, and more. 5. Portable and Convenient: Thanks to its compact reentry design and included storage case, this lens is easy to pack and bring along for nature, landscape, sports, and other outdoor shooting occasions. Specification: Item Type: Telephoto Camera Lens Material: Alloy, optical glass Weight: Approx. 680g/24.0oz Focal Length: 500mm Aperture: F7.5 Viewing Angle: 5 degree Mount: T mount Applicable Models: for Nikon, for Fuji, for Olympus, for Pentax and other cameras Optical Structure: 3 groups of 7 pieces Coating: Multi layer MC coating Focusing Mode: Manual focusing Anti Shake Function: None Nearest Focusing Distance: 4 meters Applicable Scenes: Landscape, architecture, characters, insects, tourism, business, sports, wedding, culture. Package List: 1 x Telephoto Camera Lens1 x Lens Hood 2 x Lens Protection Cover (Installed) 1 x Storage Bag 1 x Specification Note: 1. This lens adopts T mount design, compatible with most cameras in the market, you only need to purchase additional T mount adapter ring corresponding to the camera mount to be compatible with your camera, if you are not clear, please consult customer service2. Note: This is a manual lens, no electronic contact. Please change the camera Settings in M mode.