specifications︰ Specification:
Focus of Objective Lens: f200,250,300(mm)
Magnification of Eyepiece: 12.5X/18B
Magnification(f200): 4X,6X,10X,16X,25X, main microscope
6X,10X16X, assistant microscope
Diameter of Visual Field(f200): Ø 58, Ø38, Ø23, Ø14, Ø9(mm)
Working Distance: 190,240,290(mm)
Adjustment Range of Pupil distance: 50-70(mm)
Light source: 12V/100W halogen lamp
Illumination: 6°+0°coaxial illumination, 25°oblique illumination
Lux on objective plane: ≤80000LX2W2W