Observing angle:    Inclined 45 ° observation
Observing Lens magnification :  16X
Objective Lens Focal Length :   F=208mm (Optional 230mm and 300mm
Magnification System:   0.4X, 0.66X, 1X, 1.5X, 2.5X (Five grade Magnification)
Total Magnification :   2.9X-21.7X
Fine-Tune distance :  40mm
Lighting systems: The cold light source fiber optic coaxial illumination, adjustable brightness
Lighting :  21V 150W Halogen Tungsten
Filter pellicle: Green & Blue filter Optional light splitter
Power: Double Lamps power ; power box with DC5V - 12V output socket
Optional light splitter , camera connector , and  lecture scope
Vertical Bracket