Meiji Techno GMZ-50BF/DF – Gem Binocular Zoom Stereo Microscope System
- Professional Zoom Range: Features 6.7X to 45X continuous zoom magnification with 10X/22mm widefield eyepieces for high-detail jewelry inspection.
- Optimized Gemstone Lighting: Equipped with a brightfield/darkfield slider, an iris diaphragm, and a U-shaped fluorescent incident top light to highlight internal inclusions and surface quality.
- Ergonomic & Inclinable Design: The professional GMZ system includes an inclinable stand and rubberized grip knobs with adjustable tension for maximum comfort during extended use.
- Turnkey Jewelry Solution: A complete, ready-to-use system featuring a secure gem clamp, locking eyepieces, and a generous field of view ranging from 32.8mm to 4.9mm.
Meiji Techno EM-50 Professional Gemological Microscope System
Elevate your gemological analysis with the Meiji Techno EM-50, a professional-grade binocular zoom stereo system engineered for precision and comfort. Designed specifically for the jewelry industry, this turnkey GMZ system offers an inclinable stand and high-performance optics, making it the ideal workstation for diamond grading, gemstone identification, and intricate jewelry repair.
Superior Optical Precision
The EM-50 features a versatile 6.7x to 45x zoom range, powered by a high-quality binocular head with a 0.67–4.5 zoom ratio. Equipped with 10x/22mm widefield eyepieces, the system provides a generous field of view (32.8mm – 4.9mm) and a 100mm working distance, ensuring you have the space and clarity needed for detailed inspections.
Professional Lighting & Contrast
- Dual Illumination: Features a 30W halogen bottom light and a U-shaped fluorescent incident top light for shadow-free viewing.
- Brightfield/Darkfield Mastery: A built-in slider allows for easy switching between transmitted brightfield and darkfield illumination, essential for spotting internal inclusions.
- Iris Diaphragm: Fine-tune light intensity and contrast to reveal the subtle characteristics of every stone.
Ergonomic & Durable Design
Built with a cast aluminum alloy body and an electroplated black finish, the EM-50 is as durable as it is functional. The 0°–45° inclinable base allows for a personalized viewing angle to reduce neck strain during long hours of use. Wide-handled, rubberized grip knobs provide smooth, adjustable tension for precise focusing.
Technical Specifications
| Feature | Specification |
|---|---|
| Magnification | 6.7x - 45x (Zoom) |
| Eyepieces | 10x/22mm (Included, locking pin secured) |
| Head Type | Binocular, 360° Rotatable, 45° Inclination |
| Working Distance | 100mm (4") |
| Illumination | Top Fluorescent / Bottom Halogen (Bright/Dark Field) |
| Base Adjustability | 0 - 45° Vertical Inclination |
| Dimensions | 310mm x 250mm x 390mm |
What’s in the Box?
- EM-50 Binocular Zoom Stereo Body
- Inclinable Professional Gem Stand
- Paired 10x Eyepieces
- Gem Clamp & Iris Diaphragm
- Fluorescent Top Light & Halogen Bottom Light
- USA 3-pin Power Cable (1.8m)
GMZ-50BF/BF Gem Binocular Zoom Stereo Microscope System
Core Optical Specifications (EM-50)
| Body Construction | Binocular, 360° Rotatable, Cast Aluminum Alloy |
| Zoom Ratio & Range | 6.7:1 ratio; 6.7x – 45x (Standard 10x eyepieces) |
| Field of View | 32.8mm – 4.9mm |
| Working Distance | 100mm (4”) |
| Inclination & Adjustments | 45° Eyetube Inclination; Dual Dioptric Adjustment; Interpupillary 54mm – 76mm |
| Extended Range | 2.1x – 270x (with optional auxiliary lenses and eyepieces) |
Professional Gemological Stand (GMZT/PT)
- Illumination System: Dual FH Illumination with Brightfield/Darkfield capabilities.
- Top Lighting: Oblique Fluorescent light for surface examination.
- Bottom Lighting: 30W Halogen light for internal inclusion analysis.
- Ergonomics: 0 – 45° vertical inclination with integrated microscope handle.
- Focusing: Manual coarse focus with adjustable tension; 110mm focus distance.
- Construction: Heavy-duty metal with black electroplating treatment.
Replacement Bulb Information
| Part Number | Type | Specs |
|---|---|---|
| MA326/06 | Halogen (Bottom) | 30W, 6V, G4 Bi-Pin (4mm), Oval Glass |
| MA309/06 | Fluorescence (Top) | 7W, U-shape, Glass |
Shipping & Physical Dimensions
Net Weight: 12.9 lbs (Stand only) | Total System Weight: ~35 lbs
Footprint: 310mm x 250mm x 390mm (12.2" x 9.8" x 15.3")
| Brand | Meiji Techno |
|---|---|
| Recommended For | 0 |
| Optical Design | Greenough Converged |
| Trinocular Tube Focusable? | No |
| Zoom Indicator Graduations | No |
| Parfocal | No |
| Includes Eyepieces? | No |
| Includes Barlow? | No |
| Includes Eyecups? | No |
| Reticles Available? | No |
