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VGM870A 0.67~4.5X Trinocular Digital Jewelry Gemological Microscope for Gemstones Industrial Inspecting & Jewelry Cutting

VGM870A Gem Microscope

Excellent 0.67X~4.5X Objective Lens Head; 3 Modes Illuminations; Ellipse base 320° Rotatable Base; Continuous Zoom

Features


  • Standard Total Mag. 6.7X~45X
  • Fixed eyepiece barrel, fixed frame and multiplier mechanism & magnification limit function design
  • 320° rotatable base for multiple operators to use and communicate
  • Humanization design (three illumination modes: 9W Daylight Top Fluorescent Illuminator, LED Spot Light Source & 6V 20W Super Bright Halogen Lamp)
  • Integrated global wide voltage power, 100V-240V, stable brightness

Tags: Stereo MicroscopesGemological MicroscopesGemological Equipment

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Eyepiece
WF10X(Φ22mm)
Binocular / Trinocular
45°inclined, 360°Rotatable
Arm Tilted
0-38°
Ellipse base
320° rotatable

ZBX870A is a professional trinocular gemological microscope which adopts excellent optical system head with clarity image, 3D effect and large continuous zoom, and it is suitable for operators with different height because of its 0°~320° rotatable arm. Its high zoom ratio is 1:6.7, high brightness LED light source and dark field illuminator, could be used in jewelry identification to observe the intrinsic and surface characteristics of the sample and is invisible to the naked eye.

It is an indispensable gem identification instrument for the identification of synthetic products, optimized treatments and artifacts. It also has extremely important applications in diamond grading, such as observing clarity characteristics, observing and evaluating the color grade of diamonds. The joint of the lamp is easy to adjust the illuminator angle, and the focusing movement is 110mm for observing the gem and jewelry with different sizes. The steel gem clip has moderate firm and reduce the light blocking the waist of the gem, which make an all-round observation. The mounting holes of the gem clips both sides of the table provide the adjustment of eye point and angle. Reasonable illumination configuration will provide comfortable and easy operation. We also provide the accessory gem clips, steel wire clip and flat clamp for operators. The crystal characteristics of the inner and outer structure of the gem will be better observed by the polarizer. This microscope is widely used in jewelry appraisal institutions and college/ university.

VGM870A Gem MicroscopeVGM870A Gem Microscope

Different Views of VGM870A Gem Microscope

Structure of VGM870A

Structure of VGM870A

Operation of VGM870A

Operation of VGM870A

Illuminations of VGM870A

Illuminations of VGM870A

WF10X/22mm EyepieceMagnification Fixed Step Function

WF10X/22mm Eyepiece & Magnification Fixed Step Function

VGM870A with its Connected Multi-interfaces 4K CameraVGM870A with its Connected Multi-interfaces 1080P Camera

VGM870A with its Connected 4K CameraVGM870A with its Connected USB Camera

VGM870A with its Connected Different Cameras

Specification for VGM870A:

Eyepiece

High eye point WF10X(Φ22mm) adjustable diopter (micrometer can be installed)

Objective

0.67X-4.5X Ratio: 1:6.7

Total Mag.

6.7X/45X

Head

Trinocular, 45°inclined, with built-in interlock mechanism, fixed eyepiece barrel, fixed frame and multiplier mechanism and magnification limit function design

Interpupillary distance

52-76mm

Working Distance

105mm

Focusing System

Focusing Range: 110mm, can observe different sizes of precious gems and samples

Illumination

Three modes: bright field, dark field and top light: 20W super bright adjustable halogen light, Φ3-44mm continuous adjustable diaphragm. 9W daylight top lamp, color temperature meets the requirement of diamond grading lighting. LED Side Spot Light Source. 100V-240V wide voltage power, stable brightness

Arm

can be tilted 0-38°, so that the height and angle of the observation point can be adjusted

Stand Base

Ellipse base, 320° rotatable

Gem clips

Humanization design steel clip, can reduce the light block of the waist of the gem

Working Stage

Mounting holes for clips on both side of the stage, suitable for operators’ different habits

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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