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This National Optical dual power stereo microscope with a specially designed incidental lamp that can be directed precisely where needed, includes intensity control. Transmitted illumination is fluorescent for optimum light and very cool temperature to prolong life of live material.
- Objective Lenses: Paired objectives are parfocalled, parcentered, and achromatic.
Magnification is changed by rotating objective turret 90° to positive click stops.
Viewing head rotates 360°, locks in place by tightening set screw. Your choice of 1x and 3x objectives or 2x and 4x.
- Eyepieces: Choose from wide field 5x, 10x, 15x or 20x eyepieces. Includes diopter on left side.
Interpupillary adjustment from 55mm to 75mm. Accepts optional (#965-400-05) or (#965-400-10) eyepiece reticle.
- Total Magnification: See magnification chart below to determine magnification.
- Specimen Stage: Supplied with two 80mm stage plates, one frosted glass and one plastic black/white reversible contrast. Two locked-on stage clips.
- Stand: All metal frame.
Heavy-duty post mount with locking collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage.
- Focusing: Rack & pinion focusing has slip clutch to protect mechanism against over-turning, and special tension adjustment.
- Illumination: Top light (incidental) is 12v 15-watt halogen, bi-pin with adjustable beam and variable intensity control.
Bottom light (transmitted) is 120v 5 watt fluorescent.
Separate on/off switches allow lights to be used together or separate of each other.
- Size & Weight: Height: 325mm (13 in.),
Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2 in.), Weight: 16lbs.
- Warranty: Lifetime limited warranty.
- Working Distance: 94mm
- Maximum Specimen Height: 72mm
| Model |
Obj.
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Eyepieces |
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WF5x
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WF10x
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WF15x
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WF20x
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Total
Magnification
|
Field
Size
|
Total
Magnification
|
Field
Size
|
Total
Magnification
|
Field
Size
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Total
Magnification
|
Field
Size
|
| 430 |
1x
|
5x
|
22mm
|
10x
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20mm
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15x
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13mm
|
20x
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10mm
|
|
3x
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15x
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7.3mm
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30x
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6.7mm
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45x
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4.3mm
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60x
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3.3mm
|
|
| 431 |
2x
|
10x
|
11mm
|
20x
|
10mm
|
30x
|
6.5mm
|
40x
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5mm
|
|
4x
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20x
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5.5mm
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40x
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5mm
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60x
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3.2mm
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80x
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2.5mm
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Click here to see ideas of things to view with this microscope.
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Regular Price: $425.00
On Sale For: $361.00 |
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