MT7520EH, Metallurgical Ergonomic Binocular Upright Brightfield/Darkfield Compound Microscope with Infinity Corrected Plan EPI 5X, 10X, 20X, 50X and Vertical Koehler 6V 30W Halogen Incident Illuminator

MT7520EH Halogen Ergonomic Binocular BF/DF Metallurgical Microscope delivers powerful brightfield and darkfield performance for precise reflected-light material inspection. Its advanced 50W vertical halogen illuminator provides strong, evenly balanced lighting that reveals grain patterns, inclusions, coatings, and surface defects with impressive clarity. Paired with high-quality infinity-corrected Plan Epi objectives, the MT7520 produces sharp, true-color images across all magnifications, making it an excellent choice for metallography, quality control, and research applications.

What truly sets the MT7520EH apart is its construction—100% made in Japan, ensuring exceptional craftsmanship, stability, and long-term reliability. The ergonomic binocular head, smooth ceramic-coated stage, and precision X-Y controls create a comfortable and efficient workflow during extended analysis sessions. Its rugged frame minimizes vibration at higher magnifications, offering consistent results even in demanding industrial environments. Built to last and engineered for accuracy, the MT7520EH is a trusted, high-performance solution for laboratories that demand dependable optical quality and superior Japanese manufacturing.

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Description

The MT7520H Halogen Binocular 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 MT7520 features an ergonomic Siedentopf binocular head 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 MT7520 is a trusted solution for metallographers, quality-control engineers, and researchers seeking dependable brightfield/darkfield performance in a compact, professional instrument.

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

MT7520H: Binocular Metallurgical Brightfield /Darkfield Compound Microscope with Incident (Reflected) light BF/DF Observation.∞ Infinity Corrected optical system F-200MM. Vertical Kohler, 12V, 50W Halogen BF/DF and polarization  with quintuple nosepiece and auto voltage sensing power supply.

VIEWING HEADS

MA957: Ergonomic tilting binocular head – Adjustable vertically from 10 to 50 degrees, Siedentopf type, Interpupillary adjustment 53mm to 75mm, graduated diopter on left eyetube (30.0 mm I.D. eyetube)

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

MA275/45 ND25 Neutral Density Filter 19.5mm 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
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
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

MT7520EH METALLURGICAL SERIES BROCHURE

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Components & Accessories – COMPOUND

Additional information

Components & Accessories

Included:
• MT7520EH: Ergonomic Binocular Metallurgical Brightfield / Darkfield Compound Microscope, eyepiece adjustable vertically from 10 to 50 degrees. Incident (Reflected) light BF/DF Observation with ∞ Infinity Corrected optical system F-200MM. Vertical Kohler 12V 50W Halogen and polarization with quintuple nosepiece and auto voltage sensing power supply
• MA957: Ergonomic tilting binocular head – Adjustable vertically from 10 to 50 degrees, Siedentopf type, Interpupillary adjustment 53mm to 75mm, graduated diopter on left eyetube (30.0 mm I.D. eyetube)
• 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
• 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
• MA928: Vertical Koehler Illuminator, 12V 50W halogen lamp, with clear blue, clear green, ND 50 Neutral Density filter, and polarizing filter in metal mounts 100V-240V automatic sensing power supply
• 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
• MA941: Ceramic coated flat-top stage, 191mm X 126mm, 100mm X 100mm X-Y movement with right hand drop-down coaxial controls
• MA275/05: Spare bulb, 12V, 50W Halogen lamp
• MA327: Fuse 3Amp
• MA809/10: Removable AC Electric cord with plug for 115V models
• MA709: Dust Cover for MT7500 series models
• Manual: MT7500 Meiji Techno Instruction Manual

OPTIONAL COMPONENTS & ACCESSORIES BELOW

Viewing Heads:
• MA816: Trinocular head – Siedentopf type, I.P. adjustment 53mm to 75mm, graduated diopter on left eyetube (30.0 mm I.D. eyetube) Inclined at 30 degrees Inverted Image (Included in MT7100 and MT7100L models))
• MA815: Binocular head-Siedentopf type, Interpupillary Diameter adjustment 53mm to 75mm, graduated diopter on left eyetube (30.0mm I.D.eyetube). Inclined at 30 degrees
• MA959: Trinocular head – Siedentopf type, erect image with sliding 0/100 beamsplitter, inclined at 30 degrees, I.P. adjustment 53mm to 75mm, graduated diopter on left eyetube

Photo/Video Attachment :
• MA958: Photo/video attachment with sliding 80/20 beam-splitter. For use with video or digital cameras when MA957 ergonomic head is used (Included in Model MT9550)

Eyepieces:
• MA818: SWH 15X Widefield high eyepoint eyepiece, Field No. 16.0, tube O.D. 30.0 mm (each) (19mm reticle mount)
• MA819: SWH 20X Widefield high eyepoint eyepiece, Field No. 12.0, tube O.D. 30.0 mm (each) (19mm reticle mount)
• MA859: SWH 10X-F Focusing eyepiece with reticle mount (without reticle), tube O.D. 30.0 mm (each) (MA859 accepts optional 25mm diameter reticle)

Brightfield/Darkfield Plan Epi Objectives:
• MA686/05: Adapter to mount RMS thread objective to BF/DF nosepiece

Illuminator:
• MA928: Vertical Koehler illuminator, 12V 50W Halogen lamp, with clear blue, clear green, ND 50, neutral density filter, and polarizing filters in metal mounts 100V~240V. Powered by automatic voltage sensing transformer built into MT7500 Series stand

Eyepiece Micrometer (25mm diameter for use with MA817 or MA859 eyepieces):
• MA523: Eyepiece micrometer, cross-line reticle, 25mm diameter
• MA506: Eyepiece micrometer, 10mm line divided into 100 units, 25mm diameter
• MA509: Eyepiece micrometer, 5mm line divided into 100 units, 25mm diameter
• MA510: Eyepiece micrometer, 10mm square divided into 100 parts, each square 1.0 mm, 25mm diameter
• MA542: Eyepiece micrometer, cross-line reticle with 0.1mm graduations, 25mm diameter
• MA738: Eyepiece micrometer, for grain sizing in steel

Eyepiece Micrometer (19mm diameter for use with MA818 or MA819 eyepieces):
• MA279: Eyepiece micrometer, cross-line reticle, 19mm diameter
• MA280: Eyepiece micrometer, 10mm line divided into 100 units, 19mm diameter
• MA281: Eyepiece micrometer, 5mm line divided into 100 units, 19mm diameter
• MA283: Eyepiece micrometer, 10mm square divided into 100 parts, each square 1.0 mm, 19mm diameter
• MA539: Eyepiece micrometer, cross-line reticle with 0.1mm graduations, 19mm diameter

Stage Mircometers:
• MA292: Metal stage micrometer, 1mm divided into 100 units, 0.01mm

Replacement Bulbs and Fuses:
• MA686/05: Adapter to mount RMS thread objective to all MT7500/ MT8500 Series nosepieces

Magnification

Eyepieces:
   • MA817: SWH10X Widefield high eyepoint eyepiece, Field No. 22, tube O.D. 30.0 mm (each) (MA817 accepts optional 25mm diameter reticle) Included in all MT7000 Series

Models (INCLUDED)
   • MA818: SWH 15X Widefield high eyepoint eyepiece, Field No. 16.0, tube O.D. 30.0 mm (each) (19mm reticle mount)
   • MA819: SWH 20X Widefield high eyepoint eyepiece, Field No. 12.0, tube O.D. 30.0 mm (each) (19mm reticle mount)
   • MA859: SWH 10X-F Focusing eyepiece with reticle mount (without reticle), tube O.D. 30.0 mm (each) (MA859 accepts optional 25mm diameter reticle)

Brightfield/Darkfield Plan Epi Objectives:
   • MA923: Plan Epi Objective BD5X, N.A. 0.10, W.D. 17.0 mm, F.N. 22 (INCLUDED)
   • MA924: Plan Epi Objective BD10X, N.A. 0.25, W.D. 7.48 mm, F.N. 22 (INCLUDED)
   • MA925: Plan Epi Objective BD20X, N.A. 0.40, W.D. 5.20 mm, F.N. 22 (INCLUDED)
   • MA926: Plan Epi Objective BD50X, N.A. 0.75, W.D. 0.38 mm, F.N. 22 (INCLUDED)