Binoculars cylinder: 0-180 ° optical hinge type variable Angle binoculars barrel
The focal length of the binocular lens:F=170mm
Binocular tube pupil distance regulator:50mm~80mm
View the diameter:￠66mm~￠10.4mm
Eyepiece ratio:12.5X/18B
Range of visibility adjustment：±6D
The five-gear drum variable system：Magnification of 3.4 x, 5.1 x, 8.3 x, 13.5 x, 20.5 x
The reachromatic lens with a fine-tuning focus：The working distance of the large objective lens is 250mm and the adjustable range is 20mm
Angle adjustable hands
Lighting of LED or xenon lamps or halogen lamps, surface illumination (F = 250)：Maximum illumination is greater than 30,000 ~ 60000lx with adjustable brightness
Lighting spot diameter (F250)：￠85mm
Color filter regulator：Yellow color filter, green (no red) filter, insulation
Floor type movable rack：With the base, column, 510mm arm and 620mm arm, the maximum reach can reach 1350mm, the height of 1750mm, and the vertical lifting range is greater than 350mm
120 ° damping type balance hanging arm：The six degrees of freedom damping equilibrium rotation of the upper and lower left and right sides
Optional: built-in CCD camera system (including 17-inch display)：Mark clear, hd