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UNITRON® 12100 Series Microscope

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Authorized Distributor


Our geology customers in Florida love UNITRON's 12100 Polarizing Microscope for it's tremendous value and outstanding performance. An exceptional choice for geology, petrography, crystallography and material sciences. Designed for easy operation and rugged classroom or industrial settings. Available in either binocular or trinocular version.

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Viewing Head Siedentopf style binocular or trinocular 50/50 split viewing head. Interpupillary distance between 53mm - 75mm; each viewing head as an integrated reticle angle compensation system: when the IP distance or number is changed, the crossline reticle remains perpendicular in the FOV.
Eyepieces WF 10x focusable eyepieces with cushion, 20mm FOV, 21mm crossline reticle and guide pin in one eyepiece
Nosepiece Reversed quintuple nosepiece - one centerable position
Objectives Standard configuration: 4x, 10x, 20x, and 40xR infinity plan strain-free objectives
Stage 360° rotatable stage with fully indexed vernier scale and stage clips. Coaxial coarse/fine focus system; tension adjustable
Condenser Achromat swing-out condenser - N.A. 0.9/0.3
Polarizer 360° rotatable polarizer
Analyzer 360° rotatable analyzer - easy push in/out from optical path
Illumination Variable 5 watt LED illumination system with field iris, 100-240v universal power supply
Accessories λ tint plate, 1/4λ retardation plate, and quartz wedge, dust cover, and instruction manual
Warranty 5 year limited warranty for parts, labor, and electronic components. 1 year warranty on LED bulb.

Optical Data

Objective Magnification Numerical Aperture (N.A) (mm) Cover Glass Thickness (mm) Working Distance (mm) Color Band
4X 0.10 -- 25 red
10X 0.25 0.17 6.7 yellow
20X 0.40 0.17 6.4 green
40X 0.65 0.17 0.17 light blue
60X (optional) 0.8 0.17 0.3 light blue

Optional Accessories