AmScope GM400T-LED Trinocular Gemological Stereo Microscope

7x to 45x trinocular zoom stereo microscope designed for professional jewelers and gemologists. The gemological stand rotates on its base and tilts for working seated or standing, and the switchable trinocular port allows a camera to be mounted.

It combines halogen lower illumination with switchable brightfield and darkfield and iris, and a gooseneck LED lamp for reflected light. All lights have adjustable intensity.

Features

• Trinocular head inclined at 45° and rotatable 360°, with photo or video port
• 7x to 45x zoom with wide field of view and upright stereo image
• Halogen lower illumination for brightfield and darkfield, with integrated darkfield condenser and iris
• Gooseneck LED upper lamp for reflected light
• Round rotating stage with graduations and adjustable 3D gem holder; allows gem angles to be measured
• Gemological stand tiltable up to 38°
• Diopter and interpupillary adjustment; rubber eyecups
• All-glass optics and metal mechanical components

Specifications

• Head: trinocular, inclined at 45°, rotatable 360°
• Eyepieces: widefield 10x/20, 30 mm
• Objective: zoom 0.7x-4.5x
• Zoom ratio: 6.7:1
• Field of view: 33 mm diameter
• Working distance: 100 mm
• Interpupillary distance: 55-75 mm
• Stand: gemological, tiltable up to 38°
• Iris diaphragm: 2-41 mm
• Focus travel: 110 mm
• Stereo angle: 12.4°
• Diopter adjustment: ±5 dp
• Upper illumination: 1 W LED
• Lower illumination: halogen 6 V/30 W
• Power supply: 100-240 V AC, 50/60 Hz

Included

• Trinocular zoom stereo head
• Gemological stand
• One pair of 10x/20 widefield eyepieces
• 3D gem holder
• Dust cover