Magnification 11-33 x
Diameter, Objective Lens 50 mm
Type of Prism (type) Porro BK-7
Prism Coating, (yes/no) yes
Lens Coating Fully multi-coated
Focus System, Cent/Ind/Fix Central
Focusing Lens, Eye/Obj/Int Internal
Diameter, Exit Pupil 4.5-1.5 mm
Eye Relief .59-.47/15-13 in/mm
Field of View 3-1.47 degrees
Field of View 157.2-77.1 ft@100yd
Field of View 52.4-25.7 m/1000m
Distance, Minimum Focusing Distance 7.5/2.3 ft/m
Relative Brightness 20.25-2.25
Twilight Index 23.45-40.62
Resolution 2.3 arcseconds
Waterproof yes
Nitrogen Purged yes
Fog Proof yes
IP Rating (waterproof) IP67 - waterproof 1m/3ft for 1 hr
Eyecup system twist-up
Tripod Mount 1/4 in
Operating Temperature 0-120/ -17 to 49 F
Dimensions 286/81/120 mm
Weight 22.5 oz
