The VE-B5 is a professional microscope, ideal for research, higher education and routine work in clinical laboratories. Its objectives provide a wide field of observation and the Kohler LED lighting makes it a very complete and versatile device. The VE-B5 is adaptable to the needs of the user, it can be configured optionally to be compatible with a phase contrast kit and polarization set Product Specifications: EYEPIECES: WF 10x/22mm with rubber eyecups diopter adjustment on one eyepiece. HEAD: Binocular Siedentopf type, 45° inclined and 360° rotation, with interpupillary distance adjustment between 48 – 75mm / 1.88in – 2.95in. NOSEPIECE: Quadruple nosepiece with anti-slip ring and click-stops. OBJECTIVES: 4X, 10X, 40X (retractable) and 100X (retractable) oil immersion with infinity corrected achromatic optics, metallic finish and color ring for easy identification. BODY : Stative, robust and reinforced with epoxy paint finish. STAGE: Double plate with X-Y coaxial movement, 150 x 132 mm / 5.90in x 5.11in, vernier, millimeter scale, clamp and height adjustment with stop. CONDENSER: Abbe, A.N. 1.25 with height adjustment screw. Equipped with adapter for phase contrast kit and polarization set (no included). DIAPHRAGM: Iris with filter holder. FOCUSING: Coarse and fine anti-slip control knob with tension adjustment. ILLUMINATION: Kohler LED with variable intensity control and field diaphragm in the lamp. POWER SUPPLY: Three 1.2V AA rechargeable batteries (included) for 4 hours of continuous operation. 110-240V, 50/60 Hz AC adapter. DIMENSIONS: 10.43in³ x 16.92in³ x 11.61in³ Accessories included: Blue, green and yellow filters. Dust cover. Immersion oil. Operation manual. Power cord. Accessories NOT included: Phase contrast kit. Polarization set.