Features: Super Telephoto Lens & F-mount Adapter Ring Kit:T-mount super telephoto lens & F-mount adapter ring kit, replacement for Nikon D5300/ D5500/ D5600/ D610/ D700/ D7000/ D7100/ D7200/ D750/ D7500/ D760/ D800/ D810/ D850, etc. Manual Zoom Super Telephoto Lens:500mm focal length and F/8.0-32 aperture range retain a full range of exposure and depth of field settings, perfect for nature, sports events and landscape photography. Multi-coated Lens:HD multi-coated optic and 4 elements in 4 groups lens construction provide crisp, high contrast and flare free images of distant subjects. Tripod Mount:The rotatable tripod mount with 1/4 inch screw hole enables you to install the telephoto lens to tripod for more stable and more convenient shooting, and provides optimal balance. Other Features:aluminum alloy construction, lightweight and durable; comes with a soft carrying bag, and both front and rear caps, convenient to store and carry. Specifications: Focal length: 500mm Aperture Range: F 8.0,11,16,22,32 Angle of View: 5 Filter Size: 67mm Optical Construction: 4 Elements/4 Groups Minimum Focusing Distance: 33ft(10m) Length: 298mm/11.75in Item Weight: 640g/ 1.4lbs Package Size: 37.5 * 9 * 9cm/ 14.8 * 3.5 * 3.5in Package Weight: 890g/ 2lbs Note: This is a MANUAL lens, no electronic contacts, that's why your camera will not recognize the lens. It requires full manual settings on camera & lens body. Please switch to MF MODE in order to use this lens correctly. Package List: 1 * Telephoto Lens with Lens Caps 1 * Carry Bag 1 * Adapter Ring