Viewing Angle: 45 ° inclined type
The rate of observation: 6X
Pupil distance range: 50mm-80mm
Visual adjustment：±5D
Objective focal length: F=200mm and F=300mm
Doubling system: 0.6 X, 1X, 1.6X
Total magnification: 3X-12X
Line field: 60.8-15.8mm
Fine tuning distance: 10mm
Lighting system: cold light optical fiber coaxial lighting, brightness adjustable
Floodlight: 21V150W halogen tungsten lamp
Filter: built-in green and orange filte
With two arms and a floor stand
Input power: AC110V60HZ/AC220V50HZ
Purchase: F=250mm and F=400mm objective