[Compatibility and Versatility] T mount lens with adapter ​, compatible with various ef-mount cameras, doubling lens power to 1600mm for clearer distant scenery shots.
[Easy Installation and Stability] Base with 1/4 screw thread for tripod and monopod application, rotating ​ for quick installation and stable support.
[High Definition Performance] Adopts high definition glass and advanced ​ for superior image quality, ​ for capturing distant subjects with precision.
[Professional Photography Kit] 420-800Mm mf super telephoto zoom lens, ​ filter, cpl filter, ​ filter, 2x teleconverter lens and adapter ​ for shutterbugs.
[Precise Focusing Control] Manual focus in f/8.3-16 aperture at 420-800mm ​ length for dslr slr cameras, ensuring ​ and detailed shots.

Spec:
Specifications:
Telephoto Zoom Lens
Material: Metal
Mount: T mount(T2)
Replacement for EF-Mount Cameras for T7 T7i T5 T5 SL2 80D 77D 700D 70D 60D 50D 5D 6D 7D 600D 550D 200D 100D 1300D 1500D
​ 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(​) operate(Not AF compatible)
Minimum Focusing Distance: 1.6 meters(5.25ft) from front lens
Filter Size: 67mm
Diameter: 69mm
Length: 24-35cm / 9.45-13.38in(with caps)
Lens Dimension: 24 * 7 * 7cm / 9.45 * 2.76 * 2.76in
Teleconverter Lens
Color: Black
Material: Metal
Product Size: 5.5 * 5 * 5cm / 2.1 * 1.9 * 1.9inch
Product Weight: 77g/ 2.7oz

Package List:
1 * Telephoto Zoom Lens
1 * ​ Filter
1 * CPL Filter
1 * Filter
1 * Teleconverter Lens
1 * Adapter ​
1 * Lens Cleaning Cloth or
1 * Telephoto Zoom Lens(with Bag and Caps)
1 * ​ Filter(with Storage