• 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, a 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 the lock to fix the lens for the precise shooting. The whole metal structured body provides 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 x 7 x 7cm / 9.45 x 2.76 x 2.76in
• Adapter Ring Dimension: 6 x 6 x 1.5cm / 2.36 x 2.36 x 0.59in
• Weight: 659g / 18.3oz