100mm zoom 20 66x Spotting scope for birding,sight seeing

C22-66x100A C22-66x100A

Objective lens diameter: 100mm
Magnification: 22~66 times
Observation angle: direct view
Field of view: 1.8~1 degree
Linear field of view (1000m): 31m@22x, 17m@66x
Exit pupil diameter: 4.5~1.5mm
Exit pupil distance: 18mm
The closest focusing distance: 10 meters
Coating: Multilayer film
Filter interface: none
Camera Interface: Included
Waterproof: nitrogen-filled waterproof and anti-fog