POWER:20x-60x
OBJ.LENS DIA.:60mm
TYPE OF PRISM:Porro/BAK4
PRISM COATING:NO
NUMBER OF LENS:8pieces5groups
LENSCOATING:BMC
FOCUS SYSTEM:Cent
FOCUSING LENS:Int
EXIT PUPIL DIAMETER:3mm-1mm
EXIT PUPIL DIST.:14mm
FIELD OF VIEW:94.5ft-48ft
MIN.FOCAL LENGTH:6m/18ft
RELATIVE BRIGHTNESS:9-1
TWLIGHT INDEX:35-60
RESOLUTION:≤3.7°
ZOOM SYSTEM:
WEATHER PROOF:YES
WATER PROOF:1.5M/3min
NITROGEN FILLED:YES