Specifications
* Focus on straight binocular: 160 mm.
* Eyepiece: 12.5X, wide angle, with diopter adjustment.
* Objective: f' = 300 mm
* Range of fine focusing: 40 mm
* Pupillary distance: 55-75 mm
* Illumination field: 80 mm
* Cold light source 15V / 150W
* Indication value on wheel Changer: 0.4; 0.6; 1; 1.6; 2.5
* Magnification:3x, 4x, 7x, 11x, 17x
* Viewing field: 84 mm, 55mm, 33mm, 19.5mm, 13 mm
* Power Supply: 220/110V 60/50 Hz