Polarizing Microscope TH-PG3230
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Polarizing Microscope TH-PG3230

Model: TH-PG3230

TOP INSTRUMENT LED Transmitted & Reflected Polarizing Microscope adopts infinity optical system, equipped with strain-free plan achromatic objective, is utilized polarizing light to observe and research the matter which have double refraction features, the user can make single polarizing observation, orthogonal observation, conoscope observation. It is applied in geology, chemicals, physic and leechdom fields, widely used to observe the crystal of liquid macromolecule polymer, biomedical polymer and liquid crystal. It is an ideal instrument for scientific research and universities.
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  • TH-PG3230

  • TOP


  • Adopt infinity optical system and modularization function design.

  • Infinity long W.D plan objectives, the field of view is widely and clear.

  • Wide-field plan eyepieces: field number Ф22mm.

  • Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2μm.

  • Polarizing unit can be move out or into optical path, polarizer and analyzer can be rotated from 0° to 360°.

  • Rotatable stage, 360° graduated in 1° increments, minimum retardation resolution 6undefined center adjustable and with tightener Stage vertical effective movement up to 30mm.

  • Wide voltage range power supply (85-265V 50/60Hz), 6V30W halogen lamp, brightness adjustable.

  • Trinocular can be observation for eyepieces and microphotography in 100% light flux, suits for low illuminance microphotography.


  • Observation system

    Compensation observation tube: trinocular, single diopter adjustable, inclined 30°, 100% light transmission photography, can be connected to the camera.

    Eyepiece: WF10X wide field plan eyepiece, field Φ22mm, can provide expanse and smooth observation space. Another eyepiece is 10X dividing eyepiece used for proofreading the centre.

    Objective: Strain-free plan achromatic objective (no cover glass) and center adjustable.


  • Stage

    Round rotatable stage, Φ150mm diameter, 360° graduated(in 1°increments) ,minimum ,retardation resolution 6undefined, center adjustable and with tightener.


  • Transmitted illuminating system

    6V 30W halogen lamp ,brightness adjustable. Polarizer, 360° rotatable, having 0, 90, 180, 270 four scale, set under the aperture diaphragm, can take down from the optics body.


  • Reflected illumination system

    6V 30W halogen lamp, brightness adjustable, polarizer can be rotated 360°. analyzer can be rotatable 360°with scale and minimum vernier. Intergrated field and aperture diaphragm.



Wide field WF10X(field number φ22mm)

Dividing eyepiece(field number φ22mm)  0.10mm/Div


Strain-free plan achromatic objective (no cover glass)

PL L5X0.12, Work distance: 26.1mm

PL L10X0.12, Work distance: 20.2mm

PL L40X0.60(Spring), Work distance: 3.98mm

PL L60X0.70(Spring), Work distance: 3.18mm

Reflected illuminating

6V30W Halogen, brightness enable control

Polarizer can be rotated 360°

Analyzer can be rotatable 360° with scale and minimum vernier

Integrated field and aperture diaphragm.


Quarduple(the center of nosepiece is adjustable)

Intermediate attachment

Puller type bertrand lens


λ, λ/4 and quarts wedge compensator

Eyepieces Tube

Trinocular is Inclined 30° and enable to shoot in 100% light flux

Focus system

Coaxial coarse /fine focus with tension adjustable and up stop device, minimum division of fine focusing: 2μm

Optional accessories


Sort/Technique parameter

Infinity objective

Strain-free plan achromatic objective (no cover glass)

PL L 20X/0.40(Work distance): 8.80mm

PL L50X/0.70£¨spring£©(Work   distance): 3.68 mm

PL L80X/0.80£¨spring£©(Work   distance): 1.25 mm

PL L100X//0.85(spring) (Work distance): 0.40 mm


Quintuple(Backward ball bearing inner locating)

Slide moving holder

Moving range: 30mmX25mm

CCD adapter



0.5X with dividing 0.1mm/Div


USB output: USB2.0 USB3.0 5.0MP, 6.0MP, 10.0MP, 14.0MP, 20.0MP optional

HDMI output: 2.0MP, 5.0MP, 8.0MP, 14.0MP optional

Digital camera adapter


To Make The World Closer To The Truth
ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.


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