Introducing a new look to the flagship model of the Swift Optical education line. The Swift M3600 Series continues the Swift tradition for innovation, quality and student-proof features, and updates our well-known M3500 classic model series with a brand new look and design. Built-in handle, built-in mechanical stage, variable LED illumination are just some of the state-of-the-art features that makes this series in a class of its own. Ideal for high school students and advanced grade levels. OPTICAL SYSTEM Widefield 10x /18mm eyepiece. Monocular viewing head with 45° inclined eyepieces. DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR (1.25 N.A.) achromat objectives. All are parfocalled, parcentered and color-coded. Quad objective turret is ball-bearing mounted for smooth, precise positioning of objectives. Mounted in reverse position to facilitate ease in changing slides. ILLUMINATION Variable LED light provides bright, white illumination. LED technology provides cool, energy-efficient light for up to 50,000 hours. ELECTRICAL 110V power supply, unit shipped with American plug. FOCUSING Low position coarse and fine focusing controls. Stage moves up or down, eyepiece and body remain fixed. Slip clutch prevents damage to focusing system. Tension adjustment eliminates stage drift. Safety rack stop prevents damage to slides and objective lenses. STAGE Large 5-3/4 in. x 4-3/4 in. (143mm x 120mm) stage; built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls. Built-in 1.25 Abbe condenser has iris diaphragm.