LW Scientific Mi-5 Polarization Microscope

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The Mi-5 Polarizing Scope is an excellent instrument for petrology and most other geological and minerology applications.  It is also an essential tool for synovial fluid analysis. Crystal-induced arthritis, such as gout or pseudogout, can be identified and differentiated with the use of the polarizing attachment and red compensator lens. The Mi-5 also functions as a flat-field, laboratory-grade microscope for routine cytology, hematology, urinalysis, etc. This specialized system was designed to combine high-resolution optics with functionality at an affordable price for rheumatologists, geologists, chemists, forensics and much more.



  • Binocular (Seidentopf), Trinoc available
  • Diopter adjustment +/-5
  • Inclined 30°
  • 10X or 20X Super WF HighPoint eyepieces available; numbered cross scale
  • Focusable eyepiece with numbered cross scale reticle
  • Interpupillary distance range 50-75mm


  • Reverse quintuple nosepiece
  • Multiple ball bearing mounted


  • Infinity Plan objectives
  • 4X, 10X, 20X, 40X
  • 60X dry available
  • Anti-fungal, parfocal, parcentric, color-coded


  • Center-adjustable stage (153mm diameter)
  • 360 degree rotation; 1 degree increments
  • Tension control knob
  • Slide clips (mechanical stage option available)


  • Coarse adjustment: range of 22mm
  • Fine adjustment: graduation of 2μm
  • Tension control knob


  • Moveable Abbe condenser, NA 1.25
  • Iris Diaphram
  • 6V20W Clear halogen illumination
  • Variable light adjustment: 0-20W output
  • 90-240V / 50-60Hz automatic-switching
  • power cord


  • Camera attachments (digital and HD)
  • 60x dry objective

Weight and Dimensions.

  • Height: 15.6” (396 mm)
  • Length: 16.5” (420 mm)
  • Width: 8.1” (206 mm)
  • Weight: Binoc: 20 lbs. (9.09 kg)
  • Trinoc: 20.5 lbs. (9.32 kg)

Analyzer & Accessories

  • Uric Acid Control slide
  • Polarizing analyzer with 360 degree increments
  • Red Compensator lens (x); (x/4) lens;
  • Quartz Wedge Bertrand lens


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