AmScope SM-3TX-144A-B 3.5X-45X Black Trinocular Stereo Zoom Microscope on Single Arm Boom Stand + 144 Direction Adjustable LED Ring Light

3.5X-45X stereo zoom microscope with black finish Powerful 4-zone 144 LED ring light with dimmer 2-1/2" (65mm) field view and 8" (200mm) optical working distance Flexible single-arm boom stand covers large working area Trinocular port for adding a compatible camera