Technical Performance:
1. Sharp stereo image over a wide field view
2. The left ocular-tube with diopter adjustment + 5dp or -5dp. The interpupillary distance is between 55-75mm
3. Dovetail inserted style objestive with locked-in device ensures easy replacement
4. Power supply 110V/60Hz or 220V/50Hz with attached illumination AC 12V/10W or DC 6V/6W