20X/40X Binocular Stereo Gemological Jewelry Microscope with Dark Field for Gem Stones Inspection
2X/4X Fixed Zoom (1X/3X Lens Optional); Incident Halogen Light; Transmit Dark Field Light
Features
- High contrast and flat image in the large field of view
- Observing gem surface features, such as scratches, erosion, damage, and splice
- Equipped with high-definition lens, coated with superior optical components with special film, so it has excellent optical system
Tags: Gemological MicroscopesGemological EquipmentStereo Microscopes
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WF10X(Φ20mm)
20X & 40X
90mm
12V 10W
6V 20W
VGM240 Gemological Microscope can observe the jewelry and stores which has different sizes. The steel of gem clip is moderate, firm and convenient, because the light shielding around the waist of the gem is low, you can observe the gem in all aspects. It also adopts excellent optical system with clarity image, 3D effect and large magnification, appropriate design offers easy and comfortable operation, improving the effectiveness.
2X and 4X objective lens, which meet the requirements of observing the intrinsic and surface characteristics of the sample. Superior optical system provides not only high clarity, high contrast, and high-resolution images, but also large depth of field.
The Front & Back of VGM240 Binocular Gem Microscope
Structure of VGM240
The Eyepiece & Gem Clip of VGM240
The Incident Light & Transmitted Light of VGM240
The Fixed Zoom & Dark Field Device of VGM240
Working Stages of VGM240
Different Light Modes of VGM240
VGM240 with its Connected Eyepiece Camera
Specification for VGM240: | |
|---|---|
Eyepiece | High eye point WF10X(Φ20mm), diopter adjustable |
Objective | 2X & 4X Fixed Zoom |
Total Mag. | 20X & 40X |
Head | Binocular, 45°inclined, 360°Rotatable, Diopter adjustment: ±5 diopters |
Interpupillary distance | 54-76mm |
Working Distance | 90mm |
Illumination | Two modes: incident light & transmit light: 12V 10W bright adjustable halogen incident light. 6V 20W transmit dark field light, color temperature meets the requirement of diamond grading lighting. |
Gem clips | Humanization design clip which is adjustable change |
Instrument | N.G: 3KG; G.W: 4KGs |
Dimension | Instrument: 18*14*32CM; Carton: 40*35*21CM |
Eyepiece | WF5× | WF10× (Standard) | WF15× | WF20× | ||
|---|---|---|---|---|---|---|
Objective | 1× | FN | 22 | 20 | 15 | 10 |
WD | 76 | 76 | 76 | 76 | ||
2×(Standard) | FN | 11 | 10 | 7.5 | 6.5 | |
WD | 76 | 76 | 76 | 76 | ||
3× | FN | 7.3 | 6.7 | 5 | 4.3 | |
WD | 76 | 76 | 76 | 76 | ||
4×(Standard) | FN | 5.6 | 5 | 3.7 | 3.2 | |
WD | 76 | 76 | 76 | 76 | ||
Real Imgaes Captured by VGM240
Identified the surface characteristics of the sample: gem’s growth striation, etch figure, scratch, damage, symmetry, split surface (bubble, gloss difference) etc.
Observe the intrinsic characteristics of the sample: inclusions’ type, shape and quantity, double crystal surface, growth striation, color distribution characteristics, initial cleavage, defect etc.
Observe the doubling of facet edge: the doubling of facet edge of the gems with high birefringence, such as zircon (DR=0.059), olivine (DR=0.036) and tourmaline (DR=0.078).
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