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Inverted Infinity Plan Achromatic Metallurgical Microscope MM20BD (Bright/Dark)
Model：Inverted Infinity Plan Achromatic Metallurgical Microscope MM20BD (Bright/Dark)
Category：Metallurgical Microscope
Brand：Oi-Instruments
Contact name：Orlenda Tan
Telephone：18962123364
Email：orlenda@oi-instruments.com
MM-20/20BD Inverted metallurgical microscope is equipped excellent UIS optical system and modularization function design so that update system expediently and achieved polarization, dark field observation. Compact and steady main frame body is embodiment for the shock resistance. The ideal ergonomic design is adopted in this unit and has easier operation and wider space. This is ideal optical instrument for micro observation in metallographic structure and surface morphology. It is suitable for research in metallography, mineralogy, precision engineering, etc.
| Specification | ||
| Eyepiece | Wide field WF10X(field number:Φ22mm) | |
| Objective | MM-20 Equipped with bright field objectives | PL L10X/0.25 (Work distance)：5 mm |
| PL L20X/0.40 (Work distance)：8.80 mm | ||
| PL L50X/0.70 (Work distance)：3.68 mm | ||
| PL L100X/0.85（Dry） (Work distance)：0.40 mm | ||
| MM-20BD Equipped with bright & dark field objectives | PL L5X/0.12 BD (Work distance)：8.05mm | |
| PL L10X/0.25 BD (Work distance)：7.86 mm | ||
| PL L20X/0.40 BD (Work distance)：7.23mm | ||
| PL L50X/0.70 BD (Work distance)：1.75mm | ||
| Eyepiece tube | Inclination angle is 45˚ and interpupillary distance is 53~75mm. | |
| Focus system | Coaxial coarse/fine focus, with tension adjustable，minimum division of fine focusing is 2μm. | |
| Nosepiece | Quintuple (Backward ball bearing inner locating) | |
| Stage | Mechanical stage overall size: 242mmX200mm and moving range : 30mmX30mm. | |
| Rotundity and rotatable stage size: maximal measurement is Ф130mm and minimal clear aperture is less then Ф20mm. | ||
| Illumination system | 12V30W halogen and brightness enable control., use in MM-20 | |
| 12V50W halogen and brightness enable control., use in MM-20BD | ||
| Integrated field diaphragm , aperture diaphragm and puller type polarizer. | ||
| Equipped with frosted glass and yellow ,green and blue filters | ||
| Optional accessories | ||
| Name | Sort/Technique parameter | |
| Eyepiece | Dividing eyepiece(Φ22mm) | |
| Objective | Equipped with bright field objectives | PL L5X/0.12 (Work distance)：26.1 mm |
| PL L40X/0.60 (Work distance)：3.98 mm | ||
| PL L60X/0.75 (Work distance)：2.03mm | ||
| PL L80X/0.80 (Work distance)：1.25 mm | ||
| Equipped with bright & dark field objectives | PL L40X/0.60 BD (Work distance)：3.00 mm | |
| PL L60X/0.7 BD (Work distance)：1.65mm | ||
| PL L80X/0.80 BD (Work distance)：0.80mm | ||
| PL L100X/0.85 BD (Work distance)：0.4 mm | ||
| CCD Adapter | 0.5X | |
| 1X | ||
| 0.5X with dividing 0.1mm/Div | ||
