Telephoto Zoom Lens: The lens features manual focusing in F/8.3-16 aperture at 420-800mm focal length, to separately control the focal zoom from DSLR SLR cameras.

T-Mount to EF-Mount Adapter : T mount lens with adapter , replacement for Canon EF-Mount Cameras 80D 77D 70D 60D 60Da 50D 7D 6D 5D T7i T7s T6s T6i T6 T5i T5 T4i T3i T2i SL2 SL1.

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 and 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 can rotate, convenient to install in seconds.

Specifications:

Color: Black/ White(optional)

Material: Metal

Mount: T mount()

Replacement for: EF-Mount Cameras 80D 77D 70D 60D 60Da 50D 7D 6D 5D T7i T7s T6s T6i T6 T5i T5 T4i T3i T2i SL2 SL1

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 be set in full manual

Focusing: Manual helical(rotary) operation(Not compatible)

Minimum Focusing Distance: 1.6 meters(5.25ft) from front lens

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 Dimension: 6.5 * 6.5 * 1.7cm / 2.56 * 2.56 * 0.67in

Weight: 659g / 18.3oz

Packing List:

1 * Telephoto Zoom Lens

1 * T-mount Adapter

1 * Front

1 * Rear

1 * Carrying Pouch