оптична трубка для наведення через канал ствола
sighting telescope
erosion of bore (in the bore)
panoramic telescope
telescope
aiming dot; aiming mark; crosshair; crosswires; pointing mark; telescope laying mark
elevating tracking telescope
telescope-head elevating gear of a gunsight
vary-power telescope
elbow telescope
elevation tracking telescope
infra-red telescope
tracker's telescope
scissors telescope
right-angle telescope
azimuth tracking telescope
panorama telescope
electronic telescope
all-рurpose telescope
integrated engagement-sighting system
radar sighting
sighting device
sighting equipment
sighting instrument
intersection, direct sighting
trunnion tilt sighting device
adjusted line of sighting
dial-sight sighting head
horizontal sighting string
sighting rod
sighting compass
night sighting (device)
sighting and laying equipment