High Definition 800mm preset telephoto lens is and incorporates not only computer optical design｣ｬ but also the latest optical multi-coating techniques.?
The process of multi-coating assuresvirtually flare free photographs even under adverse lighting conditions resulting in crisp｣ｬ high contrast pictures.

Features:
420-800mm f/8.3-16 Manual Telephoto Zoom Lens.
Manual Focus Telephoto Zoom Lens to use with DSLR SLR Cameras.
Multi Coated low-dispersion glass｣ｬ anti-reflection coating.
Create Sharp High Quality Images.
Comes with Lens Pouch and Protective Caps.

Note:
You need buy T-mount ring｣ｬ before attach lens to your camera.?

Specifications:
Lens Construction: 4 Elements in 2 Groups
Aperture Range: 8.3-16
Focal length: 420-800mm
Minimum Focusing Distance: 1.5m / 4.92ft?
Filter diamater: 67mm
Package size: 27 * 9 * 9cm / 10.6 * 3.5 * 3.5in
Package weight: 860g / 1.9LB

Package List:
1 * Lens
1 * Front Lens Cap
1 * Rear Lens Cap
1 * Lens Bag