Buy National Optical 447TBL-10, Dual Mag. Stereo Microscope, 2x&4x

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Type of Objectives:: Type of Objectives: 2X & 4X

All the quality features and versatility of larger stereo microscopes, in a compact size that is more efficient for many uses. Choose low or high magnification simply by turning the objective turret. Viewing head is 45 degrees inclined and rotates 360 degrees so that user can position microscope conveniently in forward or reverse viewing position. Post mount permits head to be adjusted up or down to accommodate larger objects on stage.

For more information, please see Data Sheet

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Technical Details

Optional Accessories

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Magnification

2x & 4x

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..
Magnification changed by rotating objective turret 90 degrees, to positive stop.
Working distance: 47mm. Maximum specimen height on stage, 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 & 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 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.) extends to 370mm (14-3/4 in.) 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)

Product Details

Magnification

2x & 4x

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..
Magnification changed by rotating objective turret 90 degrees, to positive stop.
Working distance: 47mm. Maximum specimen height on stage, 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