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Stereoscopic Microscopes
| Suggested Retail Price |
$ 937.00 |
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Model 420T-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. Trinocular port accepts video
or
SLR adapters (included).
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
- Large dual focusing knobs with slip clutch to prevent
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 Â220V
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. 5.4 kgs (12 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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420T 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)
|
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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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
| 498-420T-10 |
Trinocular 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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| 600-420T |
Adapter tube for third eyepiece (eyepiece not included) |
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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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| 930-420 |
SLR photo adaptor with 2.0x photo lens (T-mount not included) |
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| 930-421 |
Video "C" mount with 0.4x lens |
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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, large 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 420T series except 420T-1105 & 420T-1107.
No case available for these models. |
$89.00 |
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©2003
National Optical & Scientific Instruments, Inc. All rights reserved.