Firefield 20-60x60SE

Specifications

Magnification & Objective Diameter20-60
Diameter, Objective Lens60 mm
Type of Prism (type)Bak-4
Lens CoatingFully multi-coated CL/FC/BMC/FBMC
Focus System, Cent/Ind/FixCentral
Focusing Lens, Eye/Obj/IntInternal
Diameter, Exit Pupil3.15-1.05 mm
Eye Relief17-13.5 mm
Field of View2.1-1.08 angle
Field of View110-57 ft/1,000yds
Field of View37-19 m/1,000m
Distance, Minimum Focusing Distance15/5 ft/m
Relative Brightness9.9-1.1
Twilight Index34.6-60
Resolution4''
Diopter System, locationeyepiece
Range, Diopter-4 to +8
Waterproof/Nitrogen-filledyes yes/no
Fog Proofyes yes/no
IP Rating (waterproof)IPX6 (weatherproof)
Eyecup systemfold down rubber eyeguard
Tripod Mount, inch1/4 in
Operating Temperature0 to 120 F
Dimensions350mm/145mm/75mm mm
Weight22.5 oz
Prism Coating, (yes/no)Yes