Buy National Optical 453TBL-10, Dual Mag. Stereo Microscope, 2x&4x

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Illumination:: Illumination: Top/Bottom

All the quality features and versatility of larger stereo microscopes, 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 three-dimensional objects and dissecting. Choose low magnification for a wide field of view, then high magnification for close-up detail.

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All sales are final

These are made-to-order items.
This product is not eligible for return or exchange unless defective.
The average lead-time is 1 or 2 weeks.

Technical Details

Optional Accessories

Reviews

Magnification

2x & 4x

Optical system

Paired widefield 10x eyepieces, left-side diopter adjustment, interpupillary adjustment from 55mm to 75mm.
Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D.
Paired objectives are parfocalled, parcentered, achromatic.
Magnification changed by rotating objective turret 90 degrees, to positive stops.
Fixed head.

Illumination

4-position light control: top only, bottom only, top and bottom, off.
Top light (incidental) and bottom light (transmitted) corded 12v 10 watt tungsten illumination.

Focusing

Rack & pinion focusing with slip clutch and tension adjustment.

Stage

Supplied with two 80mm stage plates, one frosted glass and one plastic black/white reversible contrast. Two locked-on stage clips.

Frame

Rugged cast metal frame, gray enamel finish.
Height: 310mm (12-1/4 in.)
Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.)
Net wt. 2.5 kgs (5.5 lbs)

Product Details

Magnification

2x & 4x

Optical system

Paired widefield 10x eyepieces, left-side diopter adjustment, interpupillary adjustment from 55mm to 75mm.
Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D.
Paired objectives are parfocalled, parcentered, achromatic.
Magnification changed by rotating objective turret 90 degrees, to positive stops.
Fixed head.

Illumination

4-position light control: top only, bottom only, top and bottom, off.
Top light (incidental) and bottom light (transmitted) corded 12v 10 watt tungsten illumination.

Focusing