Zoom: 20x
Object lens: ?50mm
Type of prism: bak4
Prism coating: yes
Number of lens: 8 pieces, 6 groups
Lens coating: multi, phase coating
Exit pupil diameter: 2.5mm
Exit pupil distance: 11mm
Field view: 152-feet/1,000 yards, 50/1,000m
Viewing angle: 2.949840
Minimum focal length: 2.5m
Resolution: 4.2 inches
Weatherproof
Nitrogen filled: yes
Eyecups system rubber
Unit dimensions: 165 x 80 x 62mm
Unit weight: 420g