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Description
Analyze colored gemstone body hues and map interior inclusions using the Euromex NexiusZoom NZ.1902-GEMF Binocular gemological inspection workstation. It pairs an 0.67x to 4.5x Greenough zoom engine (6.7x to 45x magnification) with a dual-lighting architecture tailored for professional jewelers: an overhead 7W daylight-equivalent fluorescent rail for exterior facet color evaluation, and a sub-stage 30W halogen darkfield well for identifying internal feathers and mineral inclusions.
The specialized 9.6 kg metal base features a smooth tilting hinge that tilts the entire microscope frame from 0 degrees (flat) up to 45 degrees, keeping gemologists upright and comfortable during extended diamond grading sessions. An integrated darkfield condenser with an adjustable manual iris diaphragm focuses the warm 30W halogen beam through a rotatable 360-degree gem clamp. The 45-degree inclined binocular head rotates 360 degrees and carries high-eyepoint HWF 10x/22 mm eyepieces with bilateral diopter adjustment rings to balance focus across a 54 mm to 75 mm interpupillary span.
Key Features of Euromex NexiusZoom NZ.1902-GEMF Binocular
A professional binocular gemological stereo microscope station featuring overhead 7W fluorescent lighting, a 30W halogen darkfield well, and an ergonomic 0-to-45 degree tilting stand. Combines 6.7x to 45x zoom with wide 22 mm eyepieces and a flexible 360-degree gem clamp.
- Continuous 6.7x to 45x zoom range powered by a 0.67x to 4.5x Greenough optical engine
- Overhead 7W fluorescent light rail emits diffuse daylight spectrum for surface color analysis
- Sub-stage 30W halogen darkfield condenser with adjustable internal iris diaphragm
- Ergonomic gemological base tilts smoothly from 0 degrees up to 45 degrees for posture comfort
- Flexible gem holder clamp rotates 360 degrees over the central darkfield aperture well
- High-eyepoint HWF 10x/22 mm widefield eyepieces with bilateral diopter adjustment collars
- Anti-fungus treated achromatic optics preserve high-contrast clarity on internal inclusions
- Heavy 9.6 kg cast-metal chassis isolates appraisal tables from surrounding vibrations
Daylight Fluorescent Surface Rail & Darkfield Halogen Core
Evaluating colored stones under point-source LEDs can cause harsh hot spots that distort true body color. The overhead 7W fluorescent rail casts soft, diffuse daylight-equivalent illumination across crown facets, allowing accurate hue, tone, and saturation grading without glare. Below the stage, the 30W halogen darkfield lamp illuminates interior silk inclusions, zoning lines, and negative crystals against a deep black background.
0-to-45 Degree Tilting Stand & Flexible Gem Clamp
The tilting mechanical base lets you pivot the entire instrument back into a natural working posture, eliminating the neck aches caused by rigid vertical stands. The flexible gem clamp holds stones securely by their girdle, rotating 360 degrees so you can inspect internal facets from every angle. The built-in darkfield iris diaphragm lets you stop down the light well to block perimeter glare on small diamonds, ensuring clean, definitive clarity grading.
- Diffuse 7W fluorescent rail reveals true stone color traits without blinding hot spots
- Tilting stand chassis adapts to operator height, keeping spines neutral and relaxed
- Built-in darkfield iris diaphragm cuts perimeter glare when inspecting small gemstones
Euromex Five-Year Gemological Warranty Protection
Euromex backs the NexiusZoom NZ.1902-GEMF with a five-year factory warranty covering optical elements, internal prism alignments, and tilting stand castings, plus two years on internal electrical ballasts. The complete package contains the NexiusZoom binocular head, specialized tilting gemological base stand with darkfield iris, 7W fluorescent light rail assembly, flexible gem clamp tool, power cord, rubber eyeguards, and user manual.
Euromex NexiusZoom NZ.1902-GEMF Gemological Binocular Stereo Microscope 6.7x-45x 30W Halogen Transmitted and 7W Fluorescent Incident Illumination Specs
| Brand | Euromex |
| Full Model Code / SKU | NZ.1902-GEMF |
| Country of Origin | The Netherlands |
| Microscope Type | Professional Binocular Gemological Stereo Zoom Microscope Station with Fluorescent Incident Lighting |
| Optical System Type | Greenough Stereo Optical Pathway Design System |
| Observation Tube Type | Binocular Head Unit |
| Tube Inclination & Rotation | 45° inclined viewing track, 360° rotatable head, adjustable individual interpupillary controls 54-75mm; diopter tuning; tilting stand assembly base tilts from 0° up to 45° for ergonomic gem inspection routines |
| Eyepiece / Field of Number | HWF 10x / 22 mm (Paired set, high-eyepoint layout finish) |
| Nosepiece Design | Fixed dual objective housing path structure with continuous variable zoom controls |
| Objectives Classification | Achromatic Zoom Optical Configuration (Anti-fungus treated, optimized crystal internal inclusion clarity tracing) |
| Objectives Magnification Breakdown | Continuous zoom factor 0.67x to 4.5x tracking click-stop step points for fast calculation setups |
| Total Magnification Range | 6.7x to 45x standard continuous optical zoom magnification limits |
| Focusing Type & Graduation | Dual side manual focus adjustment knobs operating a smooth rack and pinion tracking block integrated into the gem mount base |
| Stage Dimensions & Surface Coating | Gemological workspace stage featuring an integrated darkfield illumination well and equipped with an adjustable, flexible darkfield gem clamp fixture link |
| Stage Travel Range & Controls | Rotatable gem clip fixture tracking full 360° rotation loops over the central light well aperture |
| Condenser Type & Numerical Aperture | Built-in darkfield condenser unit block tracking precise inclusion edge illumination with internal manual iris diaphragm control |
| Illumination Transmitted Type | 30W high-output continuous adjustable halogen light engine located in the base (Provides true color metrics for interior gemstone inclusion grading paths) |
| Illumination Epi-EPI/Reflected | 7W overhead fluorescent light rail assembly emitting diffuse daylight equivalent spectrum to inspect gemstone surface color traits and clarity lines |
| Light Intensity Management | Independent electronic switches and continuous tuning dials for precision balance of transmitted halogen darkfield well and overhead fluorescent rail |
| Camera Port / C-Mount Adapter Split | None (Binocular configuration; requires digital eyepiece adapter for image capture logs) |
| Contrast Methods Capability | Transmitted darkfield inclusion profiling, transmitted brightfield macro evaluation, diffuse fluorescent surface color mapping |
| Power Supply & Voltage Input | Internal universal 100-240V AC stabilization power module line links with integrated cable management |
| Physical Dimensions & Net Weight | Base assembly 310 x 230 mm, total height approx. 460 mm, complete assembly net weight approx. 9.6 kg |
| Standard Package Accessories Included | NexiusZoom binocular head, specialized tilting gemological base stand with darkfield iris, 7W fluorescent light bracket, flexible gem holder clamp tool, power cord, eye guards, manual |
| Primary Application & Environment | Gemstone interior inclusion grading, colored gemstone surface hue verification laboratory analysis, diamond facet inspection, high-end jewelry appraisal benches |
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