Swift optical instruments' non-digital M10 compound microscope series expands your options. Ideal for higher education and professional applications. Supplied with binocular head and semi-plan lenses. OPTICAL SYSTEM Widefield 10x /20mm eyepieces. Binocular viewing head with 30° inclined eyepieces, with diopter and interpupillary adjustment 54mm to 76mm. DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR oil immersion (1.25 N.A.) objectives. Semi-plan lenses. 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, 3 watt LED provides bright, white illumination. LED technology provides cool, energy-efficient light for up to 50,000 hours. ELECTRICAL 110V - 220V switching power supply, unit shipped with American plug. FOCUSING Coaxial coarse and fine focusing controls, coarse has tension adjustment, fine is graduated. STAGE Large 5-3/4 in. x 5-1/2 in. (142mm x 140mm) stage; built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls. Multi-phase condenser has rack and pinion focusing. FRAME Base dimensions: 10-1/4 in. x 6-3/4 in. (261mm x 172mm) Height: 14-3/4 in. (375mm). Net wt. 30.9 lbs (14.0 kgs). PACKING Head and frame in molded styrofoam container with vinyl dustcover. Individual: Ship wt. 22 lbs (9.98 kgs), Dimensions 23x17x13 in. (58x43x33 cm.) Master carton pack 2 each: Ship wt. 49 lbs (19.05 kgs), Dimensions 24x21x16 in. (61x53x41 cm.)