Magnification: 8X
Objective diameter: 21mm
Angular field of view: 5.3°
Angular field of view: 5.3°
Close focus: 4m
Exit pupil diameter: 4mm
Exit pupil
3mp digital camera
File mode：JPG/AVI
Replay mode：single sheet
Computer connection：USB
Operating System：Window Me/XP
Power Battery：DC 1.5V×2
Memory inner：16M
short-focus lens,Be suitful for short distance