110 mm NexiusZoom Gemmology Trinocular Stereo Microscope 6.7–45x Zoom, LED Toplight & Halogen Transmitted - Euromex

Take advantage of the combination of precise optics, flexible illumination and a purpose-built gemmology stand for consistent inspection results; order directly via Metav Werkzeuge or consult the team for configuration and accessory advice.

NexiusZoom Gemmologie NZ.1903-GEML — stereomicroscope with 6.7–45x zoom and dual illumination

A NexiusZoom Gemmologie NZ.1903-GEML stereomicroscope engineered for gemmological inspection, featuring a 45° trinocular head and a backward-tilting stand for comfortable, repeatable observation.

• 6.7–45x zoom range
• Dimmable 1 W LED and 30 W halogen
• 45° trinocular head, tilt 0–45°
• 110 mm working distance

Precision optics that reveal detail and support consistent grading

The optical system provides a 6.7–45x magnification range via a 0.67–4.5x zoom 0.67–4.5x objective, enabling both overview checks and fine detail work without changing lenses. The main optics are treated with anti-fungal and anti-reflective coatings to maintain image clarity and minimise maintenance in humid or variable environments. These specifications translate into a reduced need for rework and faster decision cycles in quality control and gem grading processes. For laboratories and workshops seeking measurable improvements in throughput, the optical configuration offers an effective balance of field of view and detail resolution.

Controlled illumination for accurate colour and inclusion assessment

Illumination is configured for both incident and transmitted light: a dimmable 1 W LED for reflected light and a 30 W halogen source for transmitted light, plus an included darkfield transmitted unit with iris diaphragm. This dual approach allows reliable evaluation of internal features and true colour rendition, crucial when assessing clarity, cut and treatment of gemstones. The adjustable LED intensity and the iris diaphragm help standardise viewing conditions, supporting comparable results between operators and across shifts—a practical advantage for quality systems and certification processes.

Ergonomic handling that reduces fatigue and increases repeatability

The instrument’s 45° trinocular head and backward-tilting gemmology stand (0–45°) support extended use with lower operator strain and easier documentation, while the coarse focus with adjustable friction provides tactile control for precise z-axis positioning. Comfort-focused features include dioptre adjustment ±5 on both eyepieces and an interpupillary distance of 54–75 mm, accommodating a wide range of users and enabling reproducible setups. The generous 110 mm working distance facilitates the use of clamps and handling tools during inspection without compromising optical performance.

Flexible configuration and documentation-ready options

The system is supplied with practical accessories—object clamp; darkfield transmitted unit with iris diaphragm; power lead; dust cover; spare fuse; and manual—and offers several upgrade paths for imaging and workflow integration. Photo options are available (photo port and sensor compatibility noted; additional SLR adapters AE.5040 / AE.5020 may be required), and alternative heads or retrofit kits (NZ.5302, NZ.5303, NZ.5312, NZ.5313) allow adaptation to changing laboratory demands. This modularity supports long-term investment protection and makes the instrument suitable for both hands-on gemmology work and digitised documentation workflows.

For tailored advice on configuring the NexiusZoom Gemmologie NZ.1903-GEML to specific laboratory or production requirements, contact Metav Werkzeuge for ordering and technical consultation at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: NZ.1903-GEML
• SKU: NZ.1903-GEML
• Brand: Euromex
• Product type: Stereomicroscope
• Model series: NexiusZoom Gemmologie
• Description: Stereomicroscope NexiusZoom Gemmologie NZ.1903-GEML
• Manufacturer: Euromex

Core specifications

• Magnification: 6.7–45x
• Zoom ratio: 1:6.7
• Objective zoom: 0.67–4.5x
• Working distance: 110 mm
• Eyepieces: HWF 10x/22 mm
• Pupillary distance: 54–75 mm
• Diopter adjustment: ±5 both sides
• Focus: Coarse drive with adjustable friction
• Head: Trinocular, 45°
• Weight: 8.4 kg
• Dimensions: 510 x 260 x 310 mm (H x W x D)

Special features

• Gemmology stand, backward tilt 0–45°
• Dimmable 1 W LED incident illumination
• 30 W halogen transmitted illumination
• Darkfield transmitted unit with iris diaphragm included
• Anti-fungal and anti-reflective optical coatings
• Included accessories: object clamp; power lead; dust cover; spare fuse; manual
• Photo options: photo port (NZ.9850) and SLR adapters (AE.5040, AE.5020) — check camera bayonet
• Exchange/configuration heads: NZ.5302, NZ.5303, NZ.5312, NZ.5313
• Gallery thumbnail available

FAQ

What magnification range does the instrument cover?
The NexiusZoom Gemmologie NZ.1903-GEML covers a magnification range of 6.7–45x, delivered through a 0.67–4.5x zoom 0.67–4.5x objective to serve both overview inspection and detailed examination.

Is the microscope suitable for documenting gemstones with a camera?
Yes. The NZ.1903-GEML supports photographic connections; a photo port and compatible sensor (see NZ.9850) are required and some camera mounts will need an additional SLR adapter (AE.5040 or AE.5020) depending on the camera bayonet.

Which illumination modes are provided and why are they important?
The unit offers a dimmable 1 W LED for incident lighting and a 30 W halogen for transmitted lighting. This combination ensures accurate colour rendition and highlights internal features using darkfield transmitted illumination with an iris diaphragm.

How does the design support operator comfort during long inspections?
Comfort features include a 45° trinocular head, backward tilt 0–45°, dioptre adjustment of ±5, an interpupillary range of 54–75 mm, and an adjustable-friction coarse focus, all of which reduce strain and enable repeatable positioning.

What accessories are supplied as standard?
Standard delivery for the NexiusZoom Gemmologie NZ.1903-GEML includes an object clamp; darkfield transmitted unit with iris diaphragm; power lead; dust cover; spare fuse; and instruction manual.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com