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 National Optical Model 132 Teaching Microscope
Featuring the same superior optical and mechanical components of our best selling Model 131, this instrument also includes an extra vertical eyepiece. Teachers can observe simultaneously what student is viewing, or two students can view at same time. Vertical tube also permits mounting of 35mm or video camera - not included. . A very versatile microscope recommended for instruction through grade 12. OPTICAL SYSTEM Widefield 10x eyepiece with revolving pointer, supplied in both diagonal and vertical viewing tubes. Accepts optional #965-160 eyepiece reticle. Vertical and 30� inclined tubes mounted on 360� rotating head for ease of use. Vertical viewing tube has diopter adjustment, positioned low for easier camera mounting. DIN 4x, 10x and 40xR objectives are achromatic, parcentered, parfocalled, color-coded. 3-hole nosepiece is ball-bearing mounted for more precise alignment. ILLUMINATION Built-in 110v 20 watt illuminator, condenser and blue filter, base-mounted on/off switch, heavy duty 3-wire cord. 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 110mm x 120mm (4-3/8 in. x 4-3/4 in.) stage, with locked-on spring mounted stage clips, drilled and tapped to accept optional mechanical stage (Model 132-MS). Built-in 0.65NA condenser lens. Calibrated 5-hole disc diaphragm. FRAME Rugged cast metal, gray enamel finish. Height: Inclined eyepiece 340mm(13-1/2 in.). Vertical eyepiece 400mm (15-1/4 in.). With instruction brochure and vinyl dustcover. Individual: Ship wt. 4.5 kgs (10 lbs), WARRANTY Lifetime limited warranty, excluding bulb, cord, and accessory mechanical stage.
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