1. Sharp stereo erect image over a wide field of 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. Three kinds of 90 degree rotational objet for seletion 4. XTX-5(A, B, C)series supplied with pillar style stand; XTX-5(A, B, C)-W series supplied with arm curved style stand. 5. Electric apparatus 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 carton. 8. A wide range of optional accessories. Optional 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.60mm 6. Frosted glass object plate, dia.95mm 7. Incandescent bulb 12V/10W/LED 8. Halogen bulb 12V/10W 9. Ring fluorescent lighting 8W, 10W 10. Wooden cabinet with lock and key/Aluminium case Specifications Model eyepiece objective plateIllumination XTX-5A WF10X Rotated 1X-2X 1X-3X 2X-4X Black/White(dia. 60) No XTX-5B WF10X Black/White(dia. 60) Incident illumination XTX-5C WF10X Frosted glas(dia. 95) Incident illumination Transmitted illumination XTX-5A-W WF10X Black/White(dia. 60) No XTX-5C-W WF10X Frosted glass(dia. 95) Incident illumination Transmitted illumination