Nơi xuất xứ
Beijing, China
Optical System
Infinite Parallel Zoom Optical System
Viewing Head
Trinocular Head, 20°Inclination, Interpupilary Distance 55-75mm
Objective
Plan Achromatic Objective 1X, W.D.: 78mm
Focusing Unit
Coarse Focus Knob with Tension Adjustable, Moving Range 105mm
Illumination
Transmission & Reflection LED Illumination, Brightness Adjustable