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National Optical Model 107-L Compound Microscope
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National Optical Model 107-L Compound Microscope
Simple to use, yet prepares students for easy transition to high school instruction. Precision optical system; achromatic, optical glass lenses. Rugged metal components engineered for years of reliable performance. Student proofing features minimize loss of parts and other student abuse. Recommended for instruction through grade 6.
OPTICAL SYSTEM
Widefield 10x eyepiece with revolving pointer.
45° inclined head for ease of viewing when seated, rotates 360 degrees.
Color coded 4x, 10x, 40xR objectives provide 40x, 100x and 400x magnification.
Revolving triple nosepiece with positive click stops for easy, precise magnification changes.
ILLUMINATION
115v 15 watt substage illuminator with on/off switch permanently factory mounted.
FOCUSING
Rack and pinion focusing.
Slip clutch protects focusing mechanism from over-turning.
Tension adjustment eliminates focus drift.
Rack stop prevents damage to slides and lenses.
Coarse focus only.
STAGE
88mm x 82mm stage (3-1/2 in. x 3-1/4 in.) with locked-on, spring activated stage clips.
Disc diaphragm.
With instruction brochure and vinyl dustcover
WARRANTY
Lifetime limited warranty, excluding bulb, cord, and fuse.
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