POWER:15x-45x
OBJ.LENS DIA.:50mm
TYPE OF PRISM:Porro/BAK4
PRISM COATING:NO
NUMBER OF LENS:8pieces5groups
LENSCOATING:BMC
FOCUS SYSTEM:Cent
FOCUSING LENS:Int
EXIT PUPIL DIAMETER:3.3mm-1.1mm
EXIT PUPIL DIST.:14mm
FIELD OF VIEW:120ft-63ft
MIN.FOCAL LENGTH:4m/12ft
RELATIVE BRIGHTNESS:10.9-1.21
TWLIGHT INDEX:27.4-47.4
RESOLUTION:≤4.5°
ZOOM SYSTEM:
WEATHER PROOF:YES
WATER PROOF:1.5M/3min
NITROGEN FILLED:YES