Specifications:

Observation angle: 45 deg titled binocular observation unit
Magnification of eyepiece: 16X
Focus length of objective: F=230mm & F=280mm (connection screw: M58x0.75)
Working distance: 215mm & 260mm
Magnification change: 0.4X, 0.66X, 1X, 1.5X, 2.5X, 5-step magnification change
Total magnification: 2.9X-21.7X
Linear field: 11mm-84mm
Beam splitter: 50:50 beam splitter
Demonstrator: Optional, total magnification 2.1X-16.4X
TV adapter: C-mount 1/3-inch CCD attachable
Photo adapter: Optional
Fine focus distance: 20mm
Balanced arm: Counterweight adjustable
Illumination system: Coaxial illumination with cold light source fiber-optic cable, 21V, 150W halogen lamp, brightness adjustable
Filter: Green filter with frame, fitted on the objective during using
Fiber-optic cable: 1300mm
Stand: Short column fitted on the 5-star foundation with 5 jaws