Metallurgical Microscope With Dark Field - ToronMM-41
The ToronMM-41 Dark Field Metallurgical Microscope is engineered for precision imaging in advanced materials research, failure analysis, and industrial quality control.
It features a 45° inclined, 360° rotatable trinocular head for ergonomic viewing and a rugged three-layer mechanical stage for smooth, accurate sample positioning. Designed to support both bright field and dark field observations, it also offers optional Differential Interference Contrast (DIC) for enhanced structural visibility.
Equipped with a quintuple nosepiece for seamless switching between objectives, this metallurgical analysis microscope delivers high-contrast imaging for grain structure evaluation, surface defect detection, and coating inspection. The integrated auto shut-off function promotes energy efficiency without sacrificing performance—making the ToronMM-41 a dependable choice for labs that demand accuracy, durability, and optical clarity in their daily workflows.
Metallurgical Microscope With Dark Field - ToronMM-41 Features
- Trinocular Head: Features a 45° inclined, 360° rotatable design with a beam-splitting ratio of 100:0 or 80:20, and an adjustable interpupillary distance from 50mm to 75mm for ergonomic viewing.
- Mechanical Stage: High-precision three-layer XY-axis stage measuring 240mm (W) x 250mm (L), offering a smooth 50mm x 50mm movement range for accurate sample positioning.
- Observation Methods: Supports advanced observation techniques, including dark field and optional DIC (Differential Interference Contrast) for enhanced surface and structural analysis.
- Nosepiece: Equipped with a movable quintuple bright & dark field nosepiece, including a dedicated DIC slot to support flexible imaging needs.
- Eco-Friendly Functionality: Integrated auto shut-off system activates after 30 minutes of inactivity, combined with a light intensity indicator to promote energy efficiency and user convenience.

Optical system | Infinity color corrected optical system |
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Viewing head | Trinocular(binocular), 45° inclined, 360° rotatable trinocular head Interpupillary distance adjustable between:50-75mm, (beam splitting ratio can be 100:0 or 80:20) |
Eyepiece | High eyepoint wide field plan eyepiece PL10X/22mm, diopter adjustable High eyepoint wide field eyepiece WF15X/13 High eyepoint wide field eyepiece WF20X/10mm |
Metallurgical objective | LWD bright field & dark field & DIC plan achromatic metallurgical objective 5X, 10X, 20X, 50X, 100X |
Nosepiece | Reversed quintuple nosepiece with DIC slot |
Focusing adjustment | Low position coaxial coarse and fine adjustment. with tightness adjustment. Coarse adjustment range 38 mm; precision of fine adjustment:2um |
Stage | Three-layer mechanical stage, area 240Wx250L mm, moving range 50x50mm; Metal stage plate,center hole dia.φ12mm |
Illumination system | Reflection Koehler illumination with iris diaphragm and centerable field diaphragm , wide-range voltage 90-240V ,12V/100W halogen bulb (single 3W LED option), with continuous intensity |
Polarizing kit | Polarizer and the analyzer can be removed from the optical path, the analyzer can be rotated 360° |
Photo accessories | Photo tube (with PK mount), photo eyepiece 3.2X |
Video accessories | CTV0.35X/CTV0.5X/CTV0.65X/1.0X |
Software | Specialized metallographic analysis software |
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