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3.5X-90X Advanced Jewel Gem Stereo Microscope + 3MP Camera

  • Model: GM400TZ-3M
  • Manufactured by: AmScope


This high quality microscope is designed for professional jewelers and gemologists. It includes a 3.5X-90X super widefield zoom stereo microscope head, 3D jewelry/gem clamp (tweezers), a rotatable round stage with darkfield iris condenser, a professional GEM stand and, a high resolution 3MP digital camera. It offers 8" (200mm) working distance, 2-1/2" (65mm) super wide field of view and 26:1 large zoom magnification range. The microscope is illuminated with a 30W darkfield halogen light built in to the base and a 7W gooseneck rectangular fluorescent incident light box, providing rich spectrum, high-temperature color and close-to-daylight illumination. The incident light box shines light down onto objects, used to observe the surface details and fine structures of jewels or gemstones. The transmitted light through the darkfield condenser is designed for the examination of the inside quality of diamonds. The digital camera captures still images and video, and allows you to view a live stream on your PC. With software available for Windows, Mac, and Linux, it's a multi-platform imaging solution.


The included Windows software offers image-development and measurement tools, as well as advanced compositing features such as image-stitching and extended-depth-of-focus. Independent preview and capture resolutions allow you to view high-speed video while capturing high-definition images. For Mac and Linux, there is a lite version with limited processing features. This microscope is manufactured under the strict guidelines established under ISO 9001:2000 Standards.



Features :

  • A high quality professional 3.5X-90X trinocular jewelry/gem microscope with 3MP digital camera and rotatable darkfield stage
  • A right microscope for distinguishing genuine & imitation gems and judging production origin
  • Comfortable Ergonomic design
  • High resolution sharp images with both bright and dark field illumination
  • Large rotatable round stage with built-in darkfield condenser, 3D gem clamp and graduations
  • Adjustable stand for easy and comfortable observation
  • Possible to measure gem angles
  • Contemporary high-power halogen system providing rich spectrum, high-temperature color, and close-to-daylight illumination
  • Flexible gooseneck-supported rectangular incident (top) fluorescent lamp
  • Bright halogen bottom light with dimmer for best darkfield illumination
  • Built-in darkfield condenser with iris
  • 3D flexible gem clamp
  • 45 degree inclined 360 degree rotatable trinocular head
  • Trinocular port for adding photo or video capability
  • Large zoom magnification range
  • High resolution optics with great flatness and contrast
  • Sharp stereo erect images over a wide field view
  • Crystal clear original true color images
  • Eye tube with adjustable diopter
  • Accurate alignment ensuring a fatigue-free viewing
  • Full optical glass elements
  • Precise ground glass lenses
  • All metal mechanical components
  • Adjustable interpupillary distance
  • Rubber eye-guards included
  • Manufactured Under ISO 9001 Quality Control Standard


  • Head: 45 degree inclined 360 degree swiveling trinocular
  • Eyepiece: 30mm widefield WF10X/20
  • Barlow Lens: 0.5X and 2.0X
  • Objective: 0.35-9.0X
  • Zoom Range: 26:1
  • Working Distance: 8" (200mm)
  • Field of View: 2-1/2" (65mm) in diameter
  • Interpupillary Distance: 2-3/16" - 2-15/16" (55mm-75mm)
  • Stand: gemology stand, inclinable up to 38 degrees
  • Iris Diaphragm: 2 - 41mm
  • Focal Range: 4-3/8" (110mm)
  • Stereo Angle: 12.4 degree
  • Diopter Adjustment: +/-5dp
  • Top Illumination: 7W fluorescent
  • Bottom Illumination: 6V/30W halogen
  • Power Supply: 100-240VAC 50/60Hz
  • Accessories: dust cover, eye-guards and clips

Camera Specifications:

  • Sensor: Aptina MT9T001
  • Sensor Type: CMOS
  • Sensor Size: 6.55x4.92mm
  • Pixel Size: 3.2
  • Resolution: 3.1MP
  • Frame Rate: 8@2048x1536, 22@1024x768, 43@680x510
  • Sensitivity: 1.0V/lux-sec
  • Compatibility: Windows (32/64 bit) XP/Vista/7/8/10, Mac OSX, Linux


Software Specifications:

  • OS Requirements: Windows (32/64 bit) XP/Vista/7/8/10, Mac OS 10.8+, Linux kernel 3.13+
  • Hardware Requirements: Intel Core2 2.8GHz or comparable processor, 2GB RAM, USB2.0 port


Packing List:

  • One Trinocular Stereo Zoom Microscope Head
  • One Pair of Super Widefield WH10X/20 Eyepieces
  • One 0.5X Super Widefield Barlow Lens
  • One 2.0X Super Widefield Barlow Lens
  • One gemology microscope stand with Darkfield Illumination System
  • One Rectangular Fluorescent Lamp
  • One 3MP USB2.0 Color Digital Camera with Reduction Lens
  • Two Mounting Adapters
  • One USB Cable
  • One CD with Software, Driver and User's Instructions
  • One 3D Gem Clamp (tweezers)
  • One Dust Cover
  • User's Manual Download


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