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National Model 446TBL-10
National Model 446TBL-10
Our Price: $285.00

Product Code: 446TBL-10

Lifetime Limited Warranty, excluding bulb, cord, and fuse
  • 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, to positive click stop.
  • Working distance: 75mm. Maximum specimen height on stage, 35mm
  • Head rotates 360 degrees to permit reverse head position viewing.


  • 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.


  • Rack & pinion focusing has slip clutch to protect mechanism against over-turning, and special tension adjustment.


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


  • 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)


  • Molded styrofoam container with instruction brochure, vinyl dustcover & rubber eyeshields.
  • Individual: Ship wt. 4.1 kgs (9 lbs), Dimensions 400x425x275mm (16x17x11 in.)
  • Master carton pack 4 each: Ship wt. 15 kgs (33 lbs), Dimensions 725x375x325mm (29x15x13 in.)

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