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The National Optical & Scientific Instrument Model 109-LED Compound Microscope is a kid-friendly and budget-conscious instrument for the classroom. Featuring cool LED light, the 109-LED is easy for children to operate. A number of safety features also help protect the microscope for years to come. Examples include the slip clutch, which prevents over focusing, and the rack stop, which prevents damage to the slides.
When it comes to optics the 109-LED provides students with 40x, 100x, and 400x magnification, along with color coded 4x, 10x, and 40xR objectives. A widefield 10x eyepiece with a revolving pointer sits at a 45° angle for comfortable viewing. The head also rotates for easy sharing with other students in the group.
Widefield 10x eyepiece with revolving pointer
45° inclined head for ease of viewing when seated
Head rotates 360°
Color coded 4x, 10x, 40xR objectives provide 40x, 100x, and 400x magnification
Revolving triple nosepiece with positive click stops for easy, precise magnification changes
Cordless LED Illuminator (109-LED) - lighting equivalent to a 20-watt tungsten bulb, rechargeable NiMH batteries, auto cutoff recharger, on/off switch with rheostat control
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 and fine focus
3.5 x 3.25" / 88 x 82mm stage with locked-on, spring activated stage clips
Rugged cast metal with inclination joint, gray enamel finish
Height: 11.75" / 295mm; Net weight: 3.7 lb / 1.7kg