What's in the box:

Camera MF Super Telephoto Zoom Lens F/8.3-16 420-800mm T2 Mount with AF-mount Adapter Ring Universal 1/4 Thread Replacement for Sony Alpha-mount A55 A33 A550 A500 A100 A200 A700 A300 A350 A900 A99 A77 II Minolta AF-mount A5D A7D (Standard)

Features:
Super Telephoto Zoom Lens: The lens features manual focusing in F/8.3-16 aperture at 420-800mm focal length, to separately control the super focal zoom from DSLR SLR cameras.
T-Mount Lens to Camera Body: T mount lens with adapter ring, replacement for T2 lenses to Sony Alpha-mount A55 A33 A550 A500 A100 A200 A700 A300 A350 A900 A99 A77 II and Minolta AF-mount A5D A7D cameras.
Functional Structure: The lens consists of 4 elements in 2 groups, with lock to fix the lens for precise shoot. Whole metal structured body provides with tough and durable constructions.
Ultra Multi Coating: Adopts multi-coated technology to reduce flare and ghost to get vivid color and clear images. Premium optical glass lens provides high light transmittance.
Universal 1/4 Mounting: The base with 1/4 screw thread down the lens makes wide application on tripod and monopod, the base with ring can rotate, convenient to install in seconds.

Specifications:
Material: Metal
Mount: T2 mount
Adapter Ring Mount: T2-AF
Replacement for: Sony Alpha-mount A55 A33 A550 A500 A100 A200 A700 A300 A350 A900 A99 A77 II and Minolta AF-mount A5D A7D cameras
Focal Length: 420-800mm zoom lens
Aperture: f/8.3@420mm-f/16@800mm
Optical Constructions: 4 elements in 2 groups
Zoom System: Linear push-pull
Exposure: Automatic exposure is available in Aperture Priority mode only for cameras with TTL metering systems; Other camera must be set in full manual
Focusing: Manual helical(rotary) operation(Not AF compatible)
Minimum Focusing Distance: 1.6 meters(5.25ft) from front lens element
Filter Size: 62mm
Diameter: 69mm
Length: 24-35cm / 9.45-13.38in(with caps)
Lens Dimension: 24 * 7 * 7cm / 9.45 * 2.76 * 2.76in
Adapter Ring Dimension: 6 * 6 * 1.5cm / 2.36 * 2.36 * 0.59in
Weight: 659g / 18.3oz
Package Size: 27 * 8.5 * 8.5cm / 10.63 * 3.35 * 3.35in
Package Weight: 864g / 30.48oz

Packing List:
1 * MF Super Telephoto Zoom Lens
1 * Adapter Ring
1 * Front Cap
1 * Rear Cap
1 * Carrying Pouch