Specs: 2X Obiective, WF10X EYEPIECES Technical Performance: 1. Sharp stereo erect image over a wide field view. 2. 45 degree inclined and 360 degree rotational binocular head with locked-in eyepiece. The left ocular-tube with diopter adjustment +- 5dp, 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. Ptional accessories: 1. Eyepiece WF5X, WF10X, WF15X, WF20X 2. Objective 1X, 2X, 3X, 4X, 3. Darkfield stage, Dia. 94.5mm 4. Jewel tweezer 5. White/black objcet plate, Dia. 59.9mm 6. White/black objcet plate, Dia. 94.9mm 7. Frosted glass object plate, Dia. 94.9mm 8. Incandescent bulb 12V/10W 9. Halogen bulb 12V/10W 10. Wooden cabinet with lock and key