Permits students to view the wide picture at 10X magnification, then zoom all the way to 30X for an exciting closeup view
Achromatic optical system provides sharp, parfocalled image throughout the zoom range, without having to refocus
Magnification 1X to 3X Zoom Optical System Paired widefield 10X eyepieces are 45° inclined, with left diopter adjustment, interpupillary adjustment from 55mm to 75mm Accepts 23mm eyepiece reticle Viewing head rotates 360° Color corrected lenses Illumination Top light is 12V 10W halogen with reflector with directional lever which puts the light where you need it Bottom light is 110V 5W fluorescent for cool operation, greater light efficiency Base mounted light controls permit choice of top only, bottom only, or dual illumination Heavy duty 3–wire grounded cord and plug Focusing Large dual focusing knobs with slip clutch to prevent damage to mechanism Heavy duty rack and pinion focusing Tension adjustment eliminates focus 'drift' Stage 80mm stage plate (black plastic contrast) 80mm stage plate (translucent white plate) Blue filter for transmitted light Locked-on stage clips Frame Professional, all-metal frame, gray enamel finish Heavy-duty fixed arm with ergonomic design Height: 317mm (12 in.) Base width: 215mm (8 in.), Base depth: 220mm (8 in.) Net weight: 4kg (9 lb.) Warranty and Services Lifetime limited warranty excluding bulb, cord and fuse