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The GM-171 microscope from Motic is ideal for gemologists and experts in precious minerals. Equipped with a Greenough optical system and a binocular or trinocular head inclined at 45°, it allows magnification from 7.5X to 50X with a 6.7:1 zoom ratio. The illumination includes an adjustable 7W fluorescent source and a 6V/30W quartz halogen light with intensity control. Additionally, it features an adjustable diaphragm and a coarse focus system with tension adjustment for precise and comfortable analysis. Perfect for the inspection and documentation of gems and precious minerals.
How to adjust the tension of the focusing system (hook key). E.g. SMZ168
Learn how easy it is to adjust the tension of the focusing system of your Motic microscope. For models with Allen and hook key.
How to avoid repairs in your microscope
Do you want to know how to keep your microscope in its best condition? In this video, we will give you some basic tricks to carry out; before, during, and after its use and thus avoid possible repairs.
Model | GM-171 Binocular | GM-171 Trinocular |
SKU | 1100200600842 | 1100200600852 |
Optical System | Greenough | Greenough |
Observation Tube | Binocular Head | Trinocular Head |
Inclination | 45° Inclined | 45° Inclined |
Trinocular Light Split | - | 50:50 |
Interpupillary Distance | 52-75 mm | 52-75 mm |
Diopter Adjustment | Both Eyepieces, ±5 | Both Eyepieces, ±5 |
Eyepieces | Widefield WF10X/23mm | Widefield WF10X/23mm |
Objective System | Zoom, 6.7:1 Ratio | Zoom, 6.7:1 Ratio |
Objectives | 0.75X - 5X | 0.75X - 5X |
Working Distance | 110 mm | 110 mm |
Stand Type | 360° Rotary Base | 360° Rotary Base |
Diaphragm | Iris, Adjustable Ø41mm - Ø2mm | Iris, Adjustable Ø41mm - Ø2mm |
Head Holder | For Ø76mm Head | For Ø76mm Head |
Focus Mechanism | Coarse Focus with Tension Adjustment | Coarse Focus with Tension Adjustment |
Focusing Stroke | 125 mm | 125 mm |
Incident Illumination | Fluorescent 7W, Gooseneck Adjustable | Fluorescent 7W, Gooseneck Adjustable |
Transmitted Illumination | Quartz Halogen 6V/30W, Intensity Control | Quartz Halogen 6V/30W, Intensity Control |
Illumination Features | Darkfield Illuminator | Darkfield Illuminator |
Transformer | Internal | Internal |
Power Supply | 100-240V (CE) | 100-240V (CE) |
Included Accessories | Dust Cover, Stainless Steel Wire Stone Holder, Aluminum Carrying Case | Dust Cover, Stainless Steel Wire Stone Holder, Aluminum Carrying Case |
Dimensions (LxWxH) | 391x236x505 mm (15.4x9.3x19.9 in) | 391x236x505 mm (15.4x9.3x19.9 in) |
Base | 306x236 mm (12.0x9.3 in) | 306x236 mm (12.0x9.3 in) |
Column/Arm | Height 268 mm (10.6 in), 45° Tilting Arm | Height 268 mm (10.6 in), 45° Tilting Arm |
Net Weight | 8.2 kg (18.1 lb) | 8.2 kg (18.1 lb) |
Standard Contrast Technique | Brightfield, Darkfield | Brightfield, Darkfield |
Polarization | Optional Add-on | Optional Add-on |
Darkfield | Condenser | Condenser |