Optical System Infinity color corrected optical system.Stand Single mould Aluminium stand with hand rests for enhanced comfort andstabilityViewing Body Siedentopf buttery type Binocular or Trinocular head, 30°inclined, 360° rotatable, Interpupillary distance 50 - 75mmEyepieces Wide field 10x/20mm eye-pieces with anti-reection & anti-fungalcoatings.Nosepiece Reverse angle quadruple nosepiece (Ball bearing type) with click stopsand rubber grip.Objectives i series infinity DIN Plan Achromatic objectives 4x, 10x, 40x (springloaded), 100x (spring loaded,oil), ant ifungalMechanical stage Rackless X axis, double plate stage size 190 x 140mm, X/Ytravel range 75mm x 50mm. Low drive right hand movement controls. Hard coatedsurface for scratch resistance. Double specimen holder clipCondenser Sub stage Abbe condenser NA 1.25 with aspheric lens. Iris diaphragmwith blue daylight filter. Rack and pinion movements on stainless steel guides.Focusing Coaxial coarse and fine focusing on ball drive system for smoothoperation.Illumination Halogen 6V-20W or 3W LED illumination with variable illuminationcontrol. Up to 2,000 hours of Halogen (20W) lamp life and 100,000 hours ofLED lifeElectronics Universal input 100V- 240V AC, 50/60Hz, built-in voltage stabilizerElectronics Universal input 100V- 240V AC, 50/60Hz, built-in voltage stabilizer