Equipped with diopter adjustment in both eyepieces, the VE-B3 can satisfy all kind of basic and advanced techniques. It complies with the necessary characteristics for routine work in clinical laboratories. Ideal for observing samples in areas such as histology, biomedicine and biotechnology. Product Specifications: EYEPIECES: WF 10X/18 mm with diopter adjustment on both eyepieces. HEAD: Sliding binocular head, 45° inclined and 360° rotatable, with interpupillary distance adjustment between 50 – 75 mm / 1.96in – 2.95in. NOSEPIECE: Quadruple nosepiece with anti-slip grip and click-stops. OBJECTIVES: 4X, 10X, 40X (S) and 100X (S) (oil), achromatic optics, anti-slip grip and color ring for easy identification. STAND: Stative, robust and reinforced with epoxy paint finish. STAGE: Two-Layer stage with X-Y coaxial movement, 5.51in x 5.19in, vernier, millimeter scale, clamp and height adjustment with stop. CONDENSER: Abbe, N.A. 1.25 with height adjustment. DIAPHRAGM: Iris with filter holder. FOCUSING: Coarse and fine anti-slip control knob with tension adjustment. ILLUMINATION: LED with intensity control. WEIGHT: 16.88 lb / 7.65 kg. DIMENSIONS: 10.04in x 12.99in x 16.34in / 255 x 329 x 415 mm POWER SUPPLY: Three 1.2V AA rechargeable batteries (included) for 4 hours of continuous operation. 110-240V, 50/60 Hz AC adapter. Accesories included: AC/DC adapter. Adapter cable reel device. Blue filter. Dust cover. Immersion oil.