Lightdow 420-800mm Zoom Camera Lens Optical Glass Coating Photographic Lens

1. Lens type: Telephoto zoom 2. Maximum aperture: 16 3. Minimum aperture: 8.3 4. Focal length: 4 elements in 2 groups 5. Shooting angle: 5 degree 6. Filter diameter: 67mm 7. Filter size: 49mm 8. The closest focusing distance: 1.5m 9. Lens use: Medium telephoto lens 10. Lens positioning: Full-frame lens 11. Weight: 800 g 12. Dimensions: 8.5 x 8.5 x 29 cm 13. Material: magnesium aluminum alloy