Camera 420mm-800mm f8.3-f16 Manual Telephoto Long Lens T Mount for DSLR

Features:
Connect the camera and lens with the ring, set the camera panel on M manual
No show of aperture unless from shutter speed or ISO to change the exposure, some cameras can achieve automatic exposure
The tripod is necessary (not included), the lens has a tripod ring to directly connect the tripod, pay attention not to connect the tripod with the camera
Manual adjustment, full metal structure, optical glass multi-layer MC coating
It possesses 420mm-480mm super long variable focal length ideal to watch birds and wildlife.
It offers a T mount accessible to various rings and suitable to various DSLRs.

Instructions:
Manual lens with no electric button included. It can be connected on various DSLRs with different rings, supporting silent frame and ILDCs.

Specifications:
Lens construction: 4 elements in 2 groups
Aperture: F8.3 to F16
Filter diameter: 67mm
Shortest focusing length: 1.5m
Lens length: 298mm
Weight: 650g
Color: Black
Material: aluminum magnesium alloy, optical glass