National Optical 453TBL-10-LED 450 Series Dual Mag. Stereo Microscope 2X & 4X (20X & 40X Mag.) Top LED/Bottom LED Fixed Arm

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.

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 click stops.
• Fixed head.

Illumination

• 4-position light control: top only, bottom only, top and bottom, off.
• Top light (incidental) and bottom light (transmitted) cordless LED illumination.
• 8 hour charge provides up to 50 hours of use.

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.)

Packing

• Molded styrofoam container with vinyl dustcover & rubber eyeshields.