Anti-Frog Telescope for Sightseeing Bird Watching Hiking Spotting Scope

10x42 12X42 High Magnification Telescope HD Low-light Night Vision Bird Watching Binoculars
spotting scope for military equipment, concerts, mountaineering, camping, hunting, competitions, moon watching, going to sea

Life waterproof and anti-fog
HD imaging HD
Big view
Low light night vision
BAK4 prism
Broadband coating
Portable
Swivel eyepiece
Magnification: 10X
Exit pupil diameter: φ4.2mm
Exit pupil distance: 14.5mm
Objective lens diameter: φ42mm
Number of lens groups: 7 elements/5groups
Relative brightness: 17.64
Evening index: 17.64
Coating: Double width coating
Field of view angle: 6.2°
Field of view distance: 108m
Pupil distance: 74mm--57mm
Closest distance: 4.5mm

10x42 12X42 High Magnification Telescope HD Low-light Night Vision Bird Watching Binoculars
spotting scope for military equipment, concerts, mountaineering, camping, hunting, competitions, moon watching, going to sea