Motic GM171 Gem microscope

Features Motic GM171 binocular / trinocular zoom stereo microscopes have standard brightfield and darkfield illumination with 50x standard magnification, no need to add an auxiliary objective lens. Objective Lens: 0.75x - 5x zoom built-in objective provides continuous magnification. Zoom ratio of 6.7:1. Eyepieces: Includes a pair of widefield 10x eyepieces, FN23. Viewing head tilts 0-45° range, with dual diopter adjustments, interpupillary adjustment from 48mm to 75mm. Base rotates 360°. Trinocular port for camera allows right eyetube to go dark while directing light to camera. Total Magnification: 7.5x - 50x. Stand: Specialized gemology tilting base. ESD Safe. Stage: Mounting hole for gem holder on both sides. Working Distance: 110mm. Focusing: Large dual focusing knobs with slip clutch to prevent damage to mechanism. Tension adjustment eliminates focus 'drift'. Illumination: 6v, 30w intensity controlled halogen brightfield / darkfield illumination. Adjustable gooseneck 7w fl