Z850 Zoom Stereo Microscope Series


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The Unitron Z850 Series with a 6.3:1 zoom ratio is an ideal choice for industrial inspection, assembly, quality control, OEM integration, research and education applications requiring a higher magnification range.

The Z850 Series is a versatile, high performance, ergonomically designed zoom stereo microscope ruggedly built to withstand years of heavy usage.

The Z850 Series is available with either a binocular or trinocular viewing head.


Standard Specifications

  • 0.8x – 5.0x zoom magnification range
  • 6.3:1 Zoom ratio
  • Magnification range 8x-50x (with 10x eyepieces)
  • 45° viewing angle
  • 115mm working distance
  • Interpupillary Distance Adjustment 52mm – 75mm
  • WF10x/22mm focusing eyepieces
  • Field of view 27.5mm-4.4mm
  • Airtight and anti-mold design


Optional Accessories

LED ring lights, fiber optic illuminators and fluorescent ring illuminators, 0.5x, 0.7x and 2.0x auxiliary objectives, Digital cameras and c-mount adapters, 15x and 20x focusing eyepieces, Reticles and stage micrometers


Pre-Configured Systems

Z850 Zoom Stereo Microscope on Plain Focusing Stand

Z850 Zoom Stereo Microscope on Pole Stand

Z850 Zoom Stereo Microscope on E-LED Stand

Z850 Zoom Stereo Microscope on LED Stand

Z850 Zoom Stereo Microscope
On Coaxial Coarse/Fine Focusing LED Stand

Z850 Zoom Stereo Microscope on Boom Stand

Z850 Zoom Stereo Microscope
On Ball Bearing Boom Stand

Z850 Zoom Stereo Microscope
On Articulating Arm (Flex-Arm) Stand

Z850 Gemological Zoom Stereo Microscope
On LED Stand

Z850 Zoom Stereo Microscope on Diascopic Stand

Optical Data
Auxiliary ObjectiveWorking Distance (mm)EYEPIECE
WF 10X/222WF 15X/16WF 20X/12.5
Total MagnificationVisual Field (mm)Total MagnificationVisual Field (mm)Total MagnificationVisual Field (mm)
 1158-50X27.5-4.412-75X20.0-3.216-100X15.6-2.5
0.5X2114-25X55.0-8.86-37.5X40.0-6.48-50X31.2-5.0
0.7X1365.6-75X39.3-6.38.4-52.5X28.6-4.611.2-70X21.4-3.4
2X43.516-100X13.8-2.224-150X10.0-1.632-200X7.8-1-3