Note: All prices in US Dollars
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National Optical Model 456TBL-10 Stereo Microscope (Two Magnification)
 10x and 30x Magnification
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Model 456TBL-10
All the quality features and versatility of larger stereo models, in a compact size only 12" tall. Ideal size for elementary and middle school, rugged enough for high school. Upright, unreversed image is designed for viewing 3-dimensional objects, dissecting. 10x and 30x Magnification Choose low magnification for a wide field of view, then high magnification for close-up detail.
OPTICAL SYSTEM
Paired widefield eyepieces with diopter adjustment on left side. Interpupillary adjustment from 55mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D..
Paired objectives are parfocalled, parcentered, achromatic.
Magnification changed by rotating objective turret 90 degrees.
Working distance: 75mm. Maximum specimen height: 35mm.
Head rotates 360 degrees to permit reverse head position viewing.
ILLUMINATION
High intensity 12v 10 watt incidental and transmitted illumination is built-in.
Separate base mounted switches control power on/off, top and bottom lights, permit use of top light only, bottom light only, top and bottom lights together.
FOCUSING
Rack and pinion focusing has slip clutch to protect mechanism against over-turning, and special tension adjustment.
STAGE
Supplied with two 80mm stage plates, one frosted glass plate and one plastic black/white reversible contrast plate.
Two locked-on stage clips.
FRAME
Rugged cast metal frame, grey enamel finish.
Height: 310mm (12-1/4 in.) extends to 345mm (13-5/8) for larger objects.
Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.)
Net wt. 2.5 kgs (5.5 lbs)
PACKING
Molded styrofoam container with instruction brochure, vinyl dustcover and rubber eyeshields.
Individual: Ship wt. 4.1 kgs (9 lbs), Dimensions 400x425x275mm (16x17x11 in.)
WARRANTY
Lifetime limited warranty, excluding bulb, cord, and fuse.
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 "Click to enlarge image(s)")
