National 405 Fixed Magnifcation Stereo Microscope Series

National 405 Fixed Magnifcation Stereo Microscope Series

Same high quality optical system and precise mechanical components of our larger stereo microscopes. Upright, unreversed image. Available with 2x, 3x, or 4x objectives for...

$175.00
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Same high quality optical system and precise mechanical components of our larger stereo microscopes. Upright, unreversed image. Available with 2x, 3x, or 4x objectives for different magnifications. Optional eyepieces may be added later for increase magnification (20x is considered ideal for inclined, post mounted to permit 360° rotation and adjustment up/down to accommodate larger specimens.

 MAGNIFICATION OPTIONS (See Chart Below For Total Magnification)

  • 2x (Model 405TBL-10-2), 3x (Model 405TBL-10-3), 4x (Model 405TBL-10-4)
  • 4x w/ 15x Eyepieces (60x Total Mag.)(Model 405TBL-15-4)
OPTICAL SYSTEM
  • Paired widefield 10x eyepieces are supplied standard, 45° inclined, with diopter adjustment. Interpupillary adjustment from 50mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D.
  • Objectives are parfocalled, parcentered, and achromatic. Standard magnification of 20x is considered ideal. Higher magnification possible by selecting models with 3x or 4x objectives. Optional WF15x eyepieces increase magnification 50%.

ILLUMINATION

  • High intensity, 12v 10 watt incidental and transmitted illumination. Separate switches permit use of top & bottom, top only or bottom only.

FOCUSING

  • Rack and pinion focusing with slip clutch and tension adjustment.
  • Mounted on metal post, adjusts up and down.

STAGE

  • 80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate.
  • Locked-on stage clips.

FRAME

  • Rugged, cast metal frame, gray enamel finish.
  • Height: 275 mm (10-7/8 in.).
  • Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.).
  • Net wt. 2.7 kg (6 lbs).

WARRANTY


MAGNIFICATION CHART

Objective

Eyepiece

Working Distance

Maximum Specimen Height

WF10X (supplied)

WF15X (optional)

Total Magnification

Field Size

Total Magnification

Field Size

2X

20X

10mm

30X

6.5mm

65mm

58mm

3X

30X

6.7mm

45X

4.3mm

55mm

60mm

4X

40X

5mm

60X

3.3mm

40mm

60mm