1.Sharp stereo erect image over a wide field of view.
2.45°inclined binocular head with locked-in eyepiece. The left ocular-tube with diopter adjustment ±5dp,
The interpupillary distance is between 55-75mm.
3.Three kinds of 180°rotational objective ion: 1X/2X, 1X/3X, 2X/4X 4.XTX-3(A,B,C)series supplied with pillar style stand; 5.Electric apparatus has CE approval. 6.Power supply 110V/60Hz or 220V/50Hz. 8.Each set packed in styrofoam and in an inner box. Four sets in one carton. 9.A wide range of optional accessories.