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National Optical Model 420-1105-10 Zoom Stereo Microscope

$865.00 $779.00
(You save $86.00)

National Optical Model 420-1105-10 Zoom Stereo Microscope

$865.00 $779.00
(You save $86.00)
SKU:
NO-420-1105-10
Weight:
55.00 LBS
Shipping:
Free Shipping
Quantity:
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Product Description

National Optical Model 420-1105-10 Zoom Stereo Microscope

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.

Universal stand features heavy construction and counterbalanced arm for maximum stability. With an adjustable mounting post, it provides extreme flexibility in positioning.

MAGNIFICATION

  • 1x to 4x Zoom

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

  • No built-in illumination is included with this model.

STAND

  • Professional, all-metal stand.
  • Heavy-duty post mount with locking support collar, permits up or down adjustment of viewing head to accommodate different sized objects.
  • Total stand height: 386mm (15.4 in.). Net weight: 18.1 kgs (40 lbs).
  • Base diameter: 200mm (8 in.). Base height: 55mm (2.2 in.)
  • Vertical post length: 331mm (13.2 in.). (O.D. 25mm)

OTHER DIMENSIONS & SPECIFICATIONS

  • Distance between main vertical post and center of field of view, when horizontal bar is adjusted to minimum or maximum extension: Minimum = 255mm, Maximum = 455mm
  • Distance from bottom edge of objective lens and work surface when horizontal bar is adjusted to minimum or maximum height:
  • With pivot arm up: Minimum = 170mm (6.8 in.), Maximum = 515mm (20.6 in.)
  • With pivot arm down: Minimum = 58mm (2.3 in.), Maximum = 260mm (10.4 in.)

PACKING

  • Head, focusing block and universal stand are in separate molded styrofoam containers with vinyl dustcover and eyeshields.
  • Master carton pack 1 each:
  • Head & focusing block: Ship wt. 4.1 kgs (9 lbs), Dimensions 400x425x275mm (16x17x11 in.)
  • Universal boom stand: Ship wt. 19.1 kgs (42 lbs), Dimensions 500x325x300mm (20x13x12 in.)

WARRANTY

Eyepieces 



 
 Objective/Auxiliary Lens
 
1x
(Standard Obj. Lens)
 0.5x
(Optional Aux. Lens)
0.75x
(Optional Aux. Lens) 
1.5x
(Optional Aux. Lens) 
Working Distance 
80mm 
Working Distance 
137mm
Working Distance 
90mm 
Working Distance
34mm 
Zoom
Range
Field
Size 
Zoom
Range  
Field
Size 
Zoom
Range
Field
Size   
Zoom
Range
Field
Size   
 5x  5x - 20x  22mm - 5.5mm  2.5x - 10x  44mm - 11mm  3.75x - 15x 29.3mm - 7.3mm   7.5x - 30x  14.7mm - 3.7mm
 10x  10x - 40x  20mm - 5mm 5x - 20x   40mm - 10mm 7.5x - 30x  26.7mm - 6.7mm  15x - 60x  13.3mm - 3.3mm 
 15x  15x - 60x 13mm - 3.25mm  7.5x - 30x  26mm - 6.5mm  11.25x - 45x 17.3mm - 4.3mm  22.5x - 90x  8.7mm - 2.2mm 
 20x 20x - 80x  10mm - 2.5mm  10x - 40x  20mm - 5mm  15x - 60x 13.3mm - 3.3mm   30x - 120x 6.7mm - 1.7mm
 
Stand 
 

Standard
Objective 1X
Auxiliary
Objective 0.5X
Auxiliary 
Objective 0.75X
Auxiliary 
Objective 1.5X
 Specimen
Height 
Specimen
Height 
Specimen
Height 
Specimen
Height
 Min.  Max. Min.  Max.  Min.  Max.  Min.  Max. 
 420-1105-10    0.0mm   437mm   0.0mm   363mm   0.0mm   410mm   0.0mm   464mm 

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