Specs: 2X Obiective,WF10X EYEPIECES Technical Performance: 1.Sharp stereo erect image over a wide field view. 2.45?inclined and 360?rotational binocular head with locked-in eyepiece. The left ocular-tube with diopter adjustment ?dp, The interpupillary distance is between 55-75mm. 3.Dovetail inserted style objective with locked-in device ensures easy replacement. 4.XTX-2(A,B,C)series supplied with pillar style stand. 5.Electric apparattus has CE approval. 6.Power supply 110V/60Hz or 220V/50Hz. 7.Each set packed in styrofoam and in an inner box. Four sets in one cartion. 8.A wide range of optional accessories. Optional accessories: 1.Eyepiece WF5X, WF10X, WF15X, WF20X 2.Objective 1X, 2X, 3X,4X, 3.Darkfield stage,Ф94.5mm 4.Jewel tweezer 5.White/black objcet plate,Ф59.9mm 6.White/black objcet plate,Ф94.9mm