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National 420 Series Stereo Zoom Microscope, Post, Universal Stand

National

  • $730.55 USD

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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.

MAGNIFICATION

  • 10 EP with 1x to 4x Zoom (10x through 40x magnification)
  • 15 EP with 1x to 4x Zoom (15x through 60x magnification)

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°.
  • 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 LED with directional beam and rheostat control.
  • Bottom light is LED 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.
  • 110V-240V internal auto-switching power supply.
  • Supplied with American style IEC power cord.

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 and vinyl dustcover.
  • 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.)

Ships directly from the manufacturer. Please contact us for current lead times.

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    MODEL
    HEAD
    EP 
    STAND
    OBJ
    (Mag)
    T/B
    ILLUM
    BMOC $
    MSRP
    420-430PLL-10
    Incl
    10x
    Post
    1x to 4x
    (10x - 40x)
    LED/
    LED
    635.55
    669.00
    420-430PLL-15
    Incl
    15x
    Post
    1x to 4x
    (15x - 60x)
    LED/
    LED
    635.55
    669.00
    420-1105-10
    Incl
    10x
    Univ
    1x to 4x
    (10x - 40x)
    None
    821.75
    865.00
    420-1105-15
    Incl
    15x
    Univ
    1x to 4x
    (15x - 60x)
    None
    821.75
    865.00
    420T-430PLL-10
    Tri
    10x
    Post
    1x to 4x
    (10x - 40x)
    LED/
    LED
    736.25
    775.00
    420T-430PLL-15
    Tri
    15x
    Post
    1x to 4x
    (15x - 60x)
    LED/
    LED
    736.25
    775.00
    420T-1105-10
    Tri
    10x
    Univ
    1x to 4x
    (10x - 40x)
    None
    916.75
    965.00
    420T-1105-15
    Tri
    15x
    Univ
    1x to 4x
    (15x - 60x)
    None
    916.75
    965.00

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