* Zoom ratio: 1:4.3
* Total
magnification: 2.1X-120X(with
accessory lens), Standard: 7x-30X
* Field of view:
93mm-2mm,
Standard:
28mm-6.6mm
* Working distance: 247mm-34mm,
Standard: 100mm
* Interpupillary distance: 50mm-75mm
* Dioptric correction: +2 - -2
diopter
* Binocular tube: incline 30