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Motic GM-171 Binocular Gemology Stereo Microscope

NewMoticMicroscopesUnited States

€1,927.38excl. VAT

In stock

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Optical System
Greenough
Observation Tube
Binocular head
Inclination
45º inclined
Interpupillary Distance
5.2 - 7.5 cm.
Diopter Adjustment
On both eyepieces, +/- 5 diopter
All 26 specifications
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Specifications 26

Brands
Motic
New/Used
New
Optical System
Greenough
Observation Tube
Binocular head
Inclination
45º inclined
Interpupillary Distance
5.2 - 7.5 cm.
Diopter Adjustment
On both eyepieces, +/- 5 diopter
Eyepieces
Widefield WF10X/23mm
Objectives System
Zoom, ratio 6.7:1
Objectives
0.75X ~ 5X
Working Distance
11.0 cm.
Stand Type
360º rotary base
Diaphragm
Iris diaphragm, adjustable aperture Ø41mm - Ø2mm
Head Holder
For Ø76mm head
Focus Mechanism
Coarse focusing system with tension adjustment
Focusing Stroke
125mm
Incident Illumination
Fluorescent 7W with Gooseneck adjustable
Transmitted Ilumination
Quartz Halogen 6V/30W with intensity control
Illumination Features
Darkfield illuminator
Transformer
Internal
Accessories Included
Dust cover, stainless steel wire stone holder, aluminium carrying case
Dimensions (LxWxH)
15.4 x 9.29 x 19.88 (39.1 x 23.6 x 50.5 cm.)
Base
12.05 x 9.29 in. (30.6x23.6 cm.)
Column/Arm Height
26.8 cm., 45º tilting arm
Net Weight
8.2kg
Power Supply
100-240V (CE)

Product description

Precision gem analysis with the Motic GM-171, offering 7.5X–50X magnification in ergonomic design.

Motic GM-171 Binocular Gemology Stereo Microscope

Magnification Range 7.5X to 50X Observation Tube Binocular Head Optical System Greenough

Features

  • Designed for gemological and precious mineral work
  • Greenough optical system with 7.5X–50X stereo zoom head
  • Binocular head inclined at 45° for comfortable viewing
  • Interpupillary distance adjustable from 52-75mm for user comfort
  • Diopter adjustment on both eyepieces (+/- 5 diopter) for sight compensation
  • Widefield WF10X/23mm eyepieces for a large field of view
  • Zoom system with a 6.7:1 ratio and objectives ranging from 0.75X to 5X
  • 110mm working distance for flexibility in sample handling
  • Adjustable iris diaphragm with an aperture range of Ø41mm to Ø2mm

The Motic GM-171 Stereo Microscope is specifically designed for gemological and precious mineral analysis, offering a versatile magnification range from 7.5X to 50X. Equipped with a Greenough optical system, this microscope delivers sharp, high-quality images, ideal for detailed examination of gems and stones. The binocular head is inclined at 45°, allowing for ergonomic viewing, while the adjustable interpupillary distance (52-75mm) ensures comfort during extended use. Diopter adjustment on both eyepieces (+/- 5 diopter) provides precise vision correction, and the widefield WF10X/23mm eyepieces offer a broad field of view.

This microscope is built for flexibility and ease of use, featuring a 110mm working distance and a 360° rotatable base, which makes handling samples simple and efficient. The adjustable iris diaphragm, with an aperture range from Ø41mm to Ø2mm, enhances the control of lighting conditions. Incident illumination is provided by a 7W fluorescent gooseneck light, while a 6V/30W Quartz Halogen lamp with intensity control ensures bright transmitted illumination with a darkfield option. The GM-171 also comes with a durable aluminum carrying case, a stainless steel wire stone holder, and a dust cover, making it a comprehensive tool for professionals in the gemology field.

INCLUDED: The Motic GM-171 Binocular Gemology Stereo Microscope includes:

  • 45° Binocular Stereomicroscope Head
  • 45 Degree Binocular Stereomicroscope Head
  • Gemology Tilting Base
  • Wire Gem Holder
  • Aluminum Carrying Case
  • Power Cord
  • Operator's Guide
  • Manufacturer's Documentation
  • 5 Year Manufacturer's Warranty

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 19 October 2026