Lightdow 500mm f/8 Telephoto Mirror Lens for Nikon D850 D810 D800 D750 D700 D610 D3100 D3200 D3300 D3400 D5100 D5200 D5300 D5500 D5600 D7000 D7100 D7200 D7500 D50 D60 D90
- Lens Construction: 6 Elements in 6 Groups.
- Computer-designed using a combination of lenticular light refraction and reflection optics--the same physics used in many professional telescopes..
- This 500mm Manual ultra-telephoto, multi-coated mirror lens is ideally suited for sports and wildlife photography..
- Highly complex, precision-made, optical instrument with a fixed aperture of f/8.0 which is faster than most other 500mm lenses..
- NOTE: This is a manual lens, NO Electronic Contacts, your camera will not detect the lens when mounted, that's why it shows "Lens Not Attached",....