Camera MF Super Telephoto Zoom Lens F/8.3-16 420-800mm T Mount with Universal 1/4 Thread Replacement for DSLR and SLR Cameras

Material: Metal

Mount: T mount

Replacement for: DSLR and SLR cameras (Adapter ring needed, Not included)

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: 1.5 meters(4.92ft) from front lens component

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