Gemological Microscope IGM-1200
Gemological Microscope IGM-1200 used to examine diamonds, emeralds, rubies and all other types of precious stones.
Polarizing Microscope IMP-1301 equipped with a high degree of sensitivity and best suited for anisotropic (mineral) specimens such as geology, minerals, metallurgy, university teaching laboratories, and other sectors. Built-in bertrand lens, polarizer and analyzer, 360° rotatable round stage, filter, condenser, etc. The binocular viewing head with wild field eyepieces and has excellent infinite strain free plan achromatic: 4X, 10X for reflected/transmitted 20X, 40X, 60X for Transmitted with optional: 100X for Transmitted 20X, 40X, 60X, 100X for reflected objectives, and each eye tube has interpupilary adjustment. This series is capable of providing strong images with a broad field of view, the multipurpose and perfect for basic studies of samples properties. Come with 12V/50W halogen Epi-Illumination lights, allowing samples to be illuminated for a more comprehensive field of view. Accomplished with the help of particular devices known as retardation plates and optical compensators. First order retardation plate is used in optical path differences ranging from a fraction of a wavelength up to several wavelengths. This flexible and multipurpose tool is known by different names, comprising a red plate, red-one plate, lambda (λ) plate, gypsum plate, selenite plate, sensitive violet, or simply a color tint plate and quartz wedge plate is a simple, semi-quantitative optical compensator used to examine optical path differences in a wide range of samples by the quartz wedge. Built in a crystalline block of quartz provide parallel or perpendicular optical axis to the edge of the birefringent crystal.
Sample Images

Data sheet
| Model | IMP-1301 | IMP-1302 |
| Type | Polarizing Microscope | |
| Viewing Head | Binocular Head, inclined at 30°, 360° Rotatable, Interpupilary Distance: 48-75mm(optional: Trinocular Head, inclined at 30°, 360° ) | |
| Optical System | Infinite | |
| Focusing | Coaxial Coarse & Fine Adjustment, Range 24mm, Fine Division 0.002mm | |
| Eyepiece | WF10X 20mm, WF10X20mm with cross hair, WF10X20mm with scale of cross hair | |
| Nosepiece | Backward quadruple | |
| Objective | Infinite strain free plan achromatic : 4X, 10X for Reflected/Transmitted 20X, 40X, 60X for Transmitted (optional: 100X for Transmitted 20X, 40X, 60X, 100X for Reflected ) | |
| Stage | Revolving Round Stage of length 160mm, Graduated in 1° increments, Minimum resolution 6 when using vernier scale (optional: Mechanical stage, moving range 30×40mm) | |
| Light Source | 12V/50W halogen lamp Epi-Illumination with iris aperture diaphragm and iris field diaphragm and 12V/ 20W Halogen Lamp | |
| Polarizing Unit | 360° Rotatable with Filter | |
| Optical Compensator | gypsum ? Slip (first class red), 1/ 4? Slip, Quartz wedge | |
| Lens | Bertrand Lens | |
| Filter | Yes | |
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| Optional Accessories | C- Mount 0.4×2× SLR Camera adapter for Nikon or Canon DSLR camera, Specimen presser, Micrometer 0.01mm | |
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| Catalogue No. | 440225-05-04 | 440225-10-04 |
Gemological Microscope IGM-1200 used to examine diamonds, emeralds, rubies and all other types of precious stones.
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