Ideal for higher education, research and industry, the VE-S4 is a versatile device, useful in production procedures or quality inspection of industrial products, thanks to its zoom system. Its Greenough design allows three-dimensional observation of insects. The VE-S4 is ideal in the dissection and classification of organisms in entomology and taxonomy, as well as for observation and selection of viable embryos in livestock. Product Specifications: EYEPIECES: WF 10x/20 mm with rubber eyecups and diopter adjustment on both eyepieces. HEAD: Binocular 60° inclined, with zoom adjustment knobs. OBJECTIVE: With zoom system for variable magnifications of 0.7X, 0.8X, 0.9X, 1X, 1.5X, 2X, 2.5X and 3X (from 7 to 30 total increases). STAND : Stative, robust and reinforced with epoxy paint finish. STAGE: Interchangeable between translucent white and double side white / black, with a pair of stage clips. FOCUSING: Coarse anti-slip control knob. ILLUMINATION: Transmitted and incident LED light with independent variable intensity control. POWER SUPPLY: 110-240V, 50/60 Hz AC adapter. DIMENSIONS: 7.87in³ x 13.38in³ x 10.82in³ Accessories included: Dust cover. Operation manual. Power cord. ** 10-years limited warranty.