Trinocular Stereo Microscopes

Trinocular Stereo Zoom Microscope

Art. No.: 12031

Trinocular Stereo Zoom 10X-40X Post

The Trinocular Stereo Zoom Microscope has 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. 

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  • 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.
  • Large dual focusing knobs with slip clutch to prevent damage to mechanism.
  • Tension adjustment eliminates focus 'drift'.
  • 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.
  • Additional wall adapter for 240V operation required.
  • Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates).
  • Blue filter for transmitted light.
  • Locked-on stage clips.
  • 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.
  • Molded styrofoam container with rubber eyeshields and vinyl dustcover.

Technical Data Chart
Data
Magnification:1x to 4x Zoom
Height:13-3/8 in. (340mm) extends to 17 in. (433mm) for larger objects
Base Width:6-3/4 in. (171mm)
Base Depth:9-1/2 in. (242mm)
Net Weight:12 lbs (5.4 kgs)
Individual Ship Weight:17 lbs (7.7 kgs )
Individual Ship Dimensions:22x15x15 in. (550x375x375mm)
Optical Specifications
EyepiecesZoom Objective PositionStandard Objective
1X (Supplied)
Auxiliary Objective
0.5X (Optional)
Auxiliary Objective
0.75X (Optional)
Auxiliary Objective
1.5X (Optional)
Working Distance
79mm
Working Distance
137mm
Working Distance
90mm
Working Distance
34mm
Total MagField SizeTotal MagField SizeTotal MagField SizeTotal MagField Size

WF5X Field No. 22
(Optional) (No Reticle Holder) Interpupillary
Distance 59-83
1X5X22mm2.5X44mm3.75X29.3mm7.5X14.7mm
2X10X11mm5X22mm7.5X14.5mm15X7.3mm
3X15X7.3mm7.5X14.7mm11.25X9.8mm22.5X4.9mm
4X20X5.5mm10X11mm15X7.3mm30X3.7mm

WF10X Field No. 20
(Supplied) (Accepts Reticle) 23mm O.D.
Interpupillary Distance 54-78
1X10X50mm5X40mm7.5X26.7mm15X13.3mm
2X20X10mm10X20mm15X13.3mm30X6.7mm
3X30X6.7mm15X13.3mm22.5X8.9mm45X4.4mm
4X40X5mm20X10mm30X6.7mm60X3.3mm

WF15X Field No. 13
(Optional) (No Reticle Holder) Interpupillary
Distance 50.5-74.5
1X15X13mm7.5X26mm11.2517.3mm22.5X8.7mm
2X30X6.8mm15X13mm22.5X8.7mm45X4.3mm
3X45X4.3mm22.5X8.7mm33.75X5.8mm67.5X2.9mm
4X60X3.25mm30X6.5mm45X4.3mm90X2.2mm

WF20X Field No. 10
(Optional) (No Reticle Holder) Interpupillary
Distance 52-76
1X20X10mm10X20mm15X13.3mm30X6.7mm
2X40X5mm20X10mm30X6.7mm60X3.3mm
3X60X3.3mm30X6.7mm45X4.4mm90X2.2mm
4X80X2.5mm40X5mm60X3.3mm120X1.7mm
ModelSpecimen HeightSpecimen HeightSpecimen HeightSpecimen Height
MinMaxMinMaxMinMaxMinMax
420-430PLL-100.0mm93mm0.0mm19mm0.0mm66mm0.0mm120mm
SLR adapter
Video adapter