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Stereoscopic Microscopes
| Suggested Retail Price |
$ 767.00 |
Microscope Diagram
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Model 420-430PHF-10
The convenience and versatility of viewing a large picture
at 10x magnification, then zooming continuously all the way
to close-up detail at 40x magnification. Upright, unreversed
3-dimensional image remains in focus throughout zoom range.
Optional eyepieces and auxiliary objectives expand magnification
range and working distances.
Features top light with directional beam, bottom light with
cool, long-life fluorescent illumination.
OPTICAL SYSTEM
- Paired widefield 10x eyepieces are 45° inclined, with
dual diopter adjustments, interpupillary adjustment from
55mm
to 75mm. Accepts 23mm eyepiece reticle.
- Viewing head rotates 360°.
- Achromatic, color corrected lenses.
- Continuous magnification from 10x thru 40x. See specification
chart for full magnification range available with use
of optional auxiliary lenses
FOCUSING
- Rack and pinion focusing with large dual focusing knobs
with slip clutch to prevents damage to mechanism. Tension
adjustment eliminates focus 'drift'.
ILLUMINATION
- Top light is 12v 15 watt halogen, bi-pin with directional
beam and rheostat control.
- Bottom light is 110v 5 watt fluorescent for cool operation,
greater light efficiency.
- Base mounted light controls permit choice of top only,
bottom only, or dual illumination.
- Heavy-duty 3-wire grounded cord and plug.
- Available with 110v or 220v (220v is CE approved and
supplied with European plug). To order 220v, add -220V
to end of model number.
STAGE
- Two 80mm stage plates (frosted glass and reversible
black/white plastic contrast plates).
- Blue filter for transmitted light.
- Locked-on stage clips
FRAME
- Professional, all-metal frame, gray enamel finish.
- Heavy-duty post mount with locking support collar, permits
up or down adjustment of viewing head to accommodate
different sized objects on stage.
- Height: 340mm (13-3/8 in.) extends to 433mm (17 in.)
for larger objects.
- Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2
in.)
- Net wt. 5.3 kgs (11.7 lbs)
PACKING
- Molded styrofoam container with rubber eyeshields, vinyl
dustcover and instruction manual.
- Individual: Ship wt. 7.7 kgs (17 lbs), Dimensions 550x375x375mm
(22x15x15 in.)
- Master carton pack 2 each: Ship wt. 14.4 kgs (32 lbs),
Dimensions 475x375x475mm (19x15x19 in.)
WARRANTY
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420 SERIES OPTICAL SPECIFICATIONS
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Eyepieces
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Zoom Objective Position
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Standard Objective
1X
(supplied)
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Auxiliary Objective
0.5X
(Optional)
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Auxiliary Objective
0.75X
(Optional)
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Auxiliary Objective
1.5X
(Optional)
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Working Distance ¨ 79mm
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Working Distance - 137mm
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Working Distance - 90mm
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Working Distance -34mm
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Total Magnification
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Field Size
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Total Magnification
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Field Size
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Total Magnification
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Field Size
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Total Magnification
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Field Size
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WF5X
Field No.22
(Optional)
(No Reticle Holder)
Interpupillary
Distance
59~83
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1X
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5X
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22mm
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2.5X
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44mm
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3.75X
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29.3mm
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7.5X
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14.7mm
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2X
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10X
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11mm
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5X
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22mm
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7.5X
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14.6mm
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15X
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7.3mm
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3X
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15X
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7.3mm
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7.5X
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14.7mm
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11.25X
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9.8mm
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22.5X
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4.9mm
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4x
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20X
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5.5mm
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10X
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11mm
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15X
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7.3mm
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30X
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3.7mm
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WF10X
Field No. 20
(Supplied)
Accepts Reticle 23mm O.D.
Interpupillary Distance
54~78
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1X
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10X
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20mm
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5X
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40mm
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7.5X
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26.7mm
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15X
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13.3mm
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2X
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20X
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10mm
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10X
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20mm
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15X
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13.3mm
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30X
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6.7mm
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3X
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30X
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6.7mm
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15X
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13.3mm
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22.5X
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8.9mm
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45X
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4.4mm
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4x
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40X
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5mm
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20X
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10mm
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30X
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6.7mm
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60X
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3.3mm
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WF15X
Field No. 13
(optional)
(No Reticle Holder)
Interpupillary Distance
50.5~74.5
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1X
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15X
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13mm
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7.5X
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26mm
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11.25X
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17.3mm
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22.5X
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8.7mm
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2X
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30X
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6.5mm
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15X
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13mm
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22.5X
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8.7mm
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45X
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4.3mm
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3X
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45X
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4.3mm
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22.5X
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8.7mm
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33.75X
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5.8mm
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67.5X
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2.9mm
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4x
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60X
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3.25mm
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30X
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6.5mm
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45X
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4.3mm
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90X
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2.2mm
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WF20X
Field No. 10
(optional)
(No Reticle Holder)
Interpupillary Distance
52~76
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1X
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20X
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10mm
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10X
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20mm
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15X
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13.3mm
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30X
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6.7mm
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2X
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40X
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5mm
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20X
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10mm
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30X
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6.7mm
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60X
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3.3mm
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3X
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60X
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3.3mm
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30X
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6.7mm
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45X
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4.4mm
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90X
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2.2mm
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4x
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80X
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2.5mm
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40X
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5mm
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60X
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3.3mm
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120X
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1.7mm
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Model
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Standard Objective
1X
(supplied)
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Auxiliary Objective
0.5X
(Optional)
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Auxiliary Objective
0.75X
(Optional)
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Auxiliary Objective
1.5X
(Optional)
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Specimen Height
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Specimen Height
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Specimen Height
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Specimen Height
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Minimum
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Maximum
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Minimum
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Maximum
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Minimum
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Maximum
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Minimum
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Maximum
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420-430PHF and 420T-430PHF
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0.0mm
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93mm
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0.0mm
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19mm
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0.0mm
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66mm
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0.0mm
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120mm
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420-421AHH and 420T-421AHH
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0.0mm
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45mm
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Inoperative
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Inoperative
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0.0mm
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18mm
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27mm
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72mm
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420-420AHF and 420T-420AHF
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0.0mm
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45mm
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Inoperative
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Inoperative
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0.0mm
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18mm
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27mm
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72mm
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420-1105 and 420T-1105
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0.0mm
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437mm
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0.0mm
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363mm
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0.0mm
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410mm
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00mm
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464mm
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420-1107 and 420T-1107
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0.0mm
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97mm
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0.0mm
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* 23mm
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0.0mm
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70mm
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0.0mm
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124mm
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*When using optional 0.5x objective lens on 420-1107 and 420T-1107,
maximum specimen height can be increase to 133mm by using optional
M-1110 auxiliary post (350mm tall).
Available Parts & Accessories
| 498-420-10 |
Stereo body only, 10x-40x, w/WF10x eyepieces,
no focusing block |
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| 499-000 |
Focusing block (fits 25mm mounting post) |
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| 499-420AHF |
Stand w/focusing block, fixed arm, dual
illum., top #800-422 12v 15 watt halogen bi-pin, bottom #800-138
5 watt fluorescent |
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| 499-421AHH |
Stand w/focusing block, fixed arm, dual illum., top #800-422
12v 15 watt halogen bi-pin, bottom #800-170 12v 10 watt halogen |
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| 499-430PHF |
Stand w/focusing block, post mount, dual
illum., top #800-422 12v 15 watt halogen bi-pin, bottom #800-138
5 watt fluorescent |
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| 499-1105 |
Universal boom stand, without focusing block, no illum. |
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| 499-1107 |
Platform stand, without focusing block,
240mm x 280mm, no illum. |
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| 600-400 |
Eyepiece shields, rubber, pair |
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| 605-400 |
WF5x eyepieces, paired (Note: WF5x E.P.
permit only 60mm-84mm I.P.D.) |
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| 610-400 |
WF10x eyepieces, paired (accepts 23mm reticle) |
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| 610-400EA |
WF10x eyepiece, each (accepts 23mm reticle) |
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| 610-400R-05 |
WF10x eyepiece w/reticle, 5mm/100 div., each |
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| 610-400R-10 |
WF10x eyepiece w/reticle, 10mm/100 div.,
each |
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| 615-400 |
WF15x eyepieces, paired |
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| 620-400 |
WF20x eyepieces, paired |
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| 705-420 |
0.5x auxiliary objective lens; reduces magnification by 50%,
increases working distance from 75mm to 131mm, doubles field
diameter |
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| 775-420 |
0.75x auxiliary objective lens; reduces
magnification by 25%, increases working distance from 75mm
to 91mm, increases field diameter by 25% |
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| 715-420 |
1.5x auxiliary objective lens; increases magnification by
50%, reduces working distance from 75mm to 33mm, reduces field
diameter by 35% |
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| 800-138 |
Replacement bulb for bottom light, 110v
5 watt fluorescent |
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| 800-170 |
Replacement bulb for bottom light, 12v 10 watt halogen, bi-pin |
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| 800-420 |
Replacement bulb for top 6v 7 watt tungsten
(for older models) |
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| 800-421 |
Replacement bulb for top 12v 10 watt tungsten (for older
models) |
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| 800-422 |
Replacement bulb for top, 12v 15 watt halogen,
bi-pin |
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| 801-050 |
Replacement fuse for 220v version, 0.5 amp |
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| 801-100 |
Replacement fuse for 110v version, 1.0 amp |
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| 923-409 |
Blue Filter, frosted, 35.6mm O.D. |
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| 931-420 |
Ring light adapter ring, 54.5mm O.D., 18mm
extension |
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| 940-410 |
Frosted glass stage plate, 80mm |
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| 941-410 |
Black/white plastic contrast plate, 80mm |
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| 942 |
Darkfield kit (fits all National stereo models after 9/97) |
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| 943 |
Specimen holder (tweezer) (fits in place
of stage clip on all stereo models) |
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| 952 |
Dustcover, 18" tall x 16", heavy vinyl with stitched
seams |
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| 965-400-05 |
Eyepiece reticle, 5mm/100 Div., 23mm diameter |
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| 965-400-10 |
Eyepiece reticle, 10mm/100 Div., 23mm diameter |
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| 970-400 |
Stage clip for stereo microscope, 75mm from
post, each |
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| 975-001 |
Carrying case, anodized aluminum, fabric lining, accessory
pockets, Velcro straps, keyed lock. Interior dimensions:14-7/8
x 7-3/4 x 10-1/2 inches. Note: Fits all 420 series except 420-1105 & 420-1107.
No case available for these models. |
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©2003
National Optical & Scientific Instruments, Inc. All rights reserved.