Description
The MT7530H Halogen Trinocular BF/DF Metallurgical Microscope is a powerful reflected-light inspection system designed for professionals who need precise, high-contrast imaging of polished materials. Engineered with a robust halogen vertical Köhler illuminator, the MT7520 delivers bright, evenly distributed illumination for both brightfield and darkfield observation—making it ideal for analyzing grain boundaries, inclusions, coatings, and heat-treated surfaces. Its infinity-corrected Plan Epi objectives provide crisp, color-accurate views across multiple magnifications, while the ceramic-coated stage and smooth 100×100 mm X-Y travel ensure stable, repeatable specimen positioning during detailed inspections.
Built for durability and comfort, the MT7530H features a trinocular head –Siedentopf typehead with a relaxed 30° viewing angle that helps minimize fatigue during long sessions. The heavy-duty Japanese-engineered frame enhances stability at higher magnifications, and the auto-sensing power supply supports seamless use in various lab environments. Reliable, precise, and designed for demanding industrial and academic applications, the MT7530H is a trusted solution for metallographers, quality-control engineers, and researchers seeking dependable brightfield/darkfield performance in a compact, professional instrument.
What the MT730H Upright Metallurgical Brightfield/Darkfield Microscope Is Used For
An upright metallurgical microscope is designed for inspecting solid, opaque materials—metals, alloys, ceramics, semiconductors, composites, and polished industrial samples. Because these materials do not transmit light, the microscope uses incident (reflected) illumination from above the specimen.
It supports Brightfield (BF) and Darkfield (DF) observation, giving users two powerful contrast methods for detecting surface features and microstructural details.
Brightfield Observation (BF) — General Surface & Microstructure Analysis
In Brightfield mode, light reflects directly off the sample’s surface, producing a clear image of:
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Grain structures
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Phase boundaries
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Heat-affected zones
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Inclusions and impurities
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Coating thickness
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General surface morphology
Brightfield is ideal for standard metallurgical inspection and material comparison.
Darkfield Observation (DF) — Defect & Edge Enhancement
Darkfield uses angled illumination so only light scattered by the sample enters the objective. This dramatically enhances contrast and reveals:
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Scratches, pits, cracks
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Surface defects or contamination
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Edges, boundaries, tool marks
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Particles or inclusions not visible in BF
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Subtle texture variations
Darkfield is especially effective for inspection of polished or etched samples where fine defects must be detected quickly.
Common Industrial & Laboratory Applications
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Quality control in manufacturing
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Failure analysis of components and parts
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Metallography (grain size, phases, microstructures)
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Welding and heat-treatment evaluation
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Coating and plating thickness inspection
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Semiconductor & PCB inspection
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Surface finish and wear assessment
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Material research and development
The MT7500 Series features include:
- Computer Aided Design
- Ergonomically positioned controls
- Comfortable Siedentopf viewing head
- 50W Vertical Koehler Illuminator with auto sensing power supply
- Incident Light Brightfield/Darkfield and Simple Polarized Light observation modes
- Optional Ergonomic binocular viewing head available
Includes:
VIEWING HEADS
EYEPIECES
10X Super Widefield High Eyepoint eyepieces F.N.22 are standard, and 15X and 20X eyepieces are available as an option. A Super Widefield High Eyepoint 10X focusable eyepiece that accepts 25mm reticules is also available.
• MA817 (x 2): SWH10X Widefield high eyepoint eyepiece, Field No. 22, tube O.D. 30.0 mm
• MA906 (x 2): Eyeshield for MA817 SWH 10X eyepiece
OBJECTIVES
Meiji Techno offers an assortment of Plan Epi Infinity Corrected objectives for Brightfield/Darkfield observation. The smooth-operating, ball bearing mounted, quintuple nosepiece provides effortless objective changes.
• MA923: Plan Epi Objective BD5X, N.A. 0.10, W.D. 17.0mm, F.N. 22, ∞ Infinity Corrected
• MA924: Plan Epi Objective BD10X, N.A. 0.25,W.D. 7.48mm, F.N. 22, ∞ Infinity Corrected
• MA925: Plan Epi Objective BD20X, N.A. 0.40, W.D. 5.20mm, F.N. 22, ∞ Infinity Corrected
• MA926: Plan Epi Objective BD50X, N.A. 0.75, W.D. 0.38mm, F.N. 22, ∞ Infinity Corrected
ILLUMINATION
Powerful 50 watt halogen illumination provides enhanced image quality and brightness for the observation of metallurgical specimens.
• MA928: Vertical LED BF/DF/POL Koehler illuminator, 12V 50W Halogen lamp with clear blue, clear green, ND 50, neutral density filter, and polarizing filter in metal mounts 100V~240V (powered by automatic voltage sensing transformer built into MT7500 Series Stand)
• MA275/25: Blue clear filter, 19.5mm diameter filter in metal mount, fits 30mm filter slot
• MA275/30: Green clear filter, 19.5mm diameter filter in metal mount, fits 30mm filter slot
• MA275/50: N.D.50 Neutral Density filter, 19.5mm diameter filter in metal mount, fits 30mm filter slot
• MA959: Polarizing filter, 19.5mm diameter filter in metal mount. Fits 30mm filter slot
• MA275/05: Spare bulb, 12V, 50W Halogen lamp
• MA327: Fuse 3Amp
STAGE
Ceramic coated left or right-handed, flat top stage measures 191mm x 126mm and travels: 100mm(X) x 100mm(Y). Ergonomically positioned coaxial drop down controls.
• MA941: Ceramic coated flat-top stage, 191mm X 126mm, 100mm X 100mm X-Y movement with right hand drop-down coaxial controls
• MA809/10: Removable AC Electric cord with plug for 115V models
• MA709: Dust Cover for MT7500 series models
• Manual: MT7500 Meiji Techno Instruction Manual
• Warranty: Limited Lifetime Warranty Card
Product Information:
• Manufactured: 100% MADE IN JAPAN
• Warranty: LIMITED LIFETIME WARRANTY
• Customer Support: 1-(800) 832-0060 (U.S.A Based)
Package Information:
• Weight: 33 lbs (14.9 kg)
• Box Size: 17 x 14 x 27 inches
• Footprint: 263mm (D) x 176mm (W)
• Binocular head type: 477.5 mm(D) x 471mm (H) x 210mm(W) (8.9kg)( 33.30 lbs.)
• Trinocular head type: 477.5 mm(D) x 526mm(H) x 210mm(W) (9.6kg)(35.0 lbs.)
• Ergonomic Binocular head type: 477.5mm(D) x 471mm (H) x 210mm(W) (8.9kg)( 33.30 lbs.)
• Ergonomic Trinocular head type: 477.5 mm(D) x 550mm(H) x 210mm(W) (9.9kg)(36.0 lbs.)
PHOTOMICROGRAPHY
Meiji Techno offers a broad range of digital video cameras which offers excellent sensitivity, high resolution and a wide dynamic range for the most demanding brightfield and darkfield microscopy applications including clinical pathology and cytology, life sciences and geology. Some models has included software, that can preview and capture still shots and live videos to a PC or Mac with USB port or HDMI connectivity.
OPTIONAL CAMERA ACCESSORIES
| CAMERAS (OPTIONAL) | |||||
| Model | HD1000-LITE | HD1500T | HD1500MET | HD1500MET-AF | HD4500K |
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| Type | HDMI/USB 2.0 | HDMI/USB 2.0Basic Measurement Features | HDMI/USB 2.0Metrics Measurement Features | HDMI/USB 2.0Auto-focusing/Z stack & stitching | HDMI/USB/SD/LAN/WiFi |
| Version | Color | Color | Color | Color | Color |
| Mega Pixels | 5MP | 2-6MP | 2-6MP | 2-6MP | 8MP |
| Resolution | 2592 x 1944 | 3264 x 1840 Static1920 x 1080 Dynamic | 3264 x 1840 Static1920 x 1080 Dynamic | 3264 x 1840 Static1920 x 1080 Dynamic | 3840 x 2160 |
| Frame Rate (FPS) | 15fps by HDMI15fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 60fps by HDMI |
| Sensor | 1/2.5″ CMOS | 1/2.8″ CMOS | 1/2.8″ CMOS | 1/2.8″ CMOS | 1/1.8’’ CMOS |
| C-mount | 0.3X | 0.3X | 0.3X | 0.3X | 0.3X |
| CAMERAS WITH MONITORS (OPTIONAL) | |||||
| Model | HD1000-LITE-M | HD1500TM | HD1500MET-M | HD1500MET-M-AF | HD4500K-M |
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| Type | HDMI/USB 2.0 | HDMI/USB 2.0Basic Measurement Features | HDMI/USB 2.0Metrics Measurement Features | HDMI/USB 2.0Auto-focusing/Z stack & stitching | HDMI/USB/SD/LAN/WiFi |
| Monitor Size | 11.8″ | 11.8″ | 11.8″ | 11.8″ | 13.3” |
| Version | Color | Color | Color | Color | Color |
| Mega Pixels | 5MP | 2-6MP | 2-6MP | 2-6MP | 8MP |
| Resolution | 2592 x 1944 | 3264 x 1840 Static1920 x 1080 Dynamic | 3264 x 1840 Static1920 x 1080 Dynamic | 3264 x 1840 Static1920 x 1080 Dynamic | 3840 x 2160 |
| Frame Rate (FPS) | 15fps by HDMI15fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 60fps by HDMI30fps by USB 2.0 | 30fps by HDMI30fps by USB |
| Sensor | 1/2.5″ CMOS | 1/2.8″ CMOS | 1/2.8″ CMOS | 1/2.8″ CMOS | 1/1.8” CMOS |
| C-mount | 0.3X | 0.3X | 0.3X | 0.3X | 0.3X |
MT7530H METALLURGICAL SERIES BROCHURE
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