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key Feature: 7X-90X zoom magnification power with crisp sharp images Super widefield high-eyepoint optics widefield of view 4" (100mm) working distance Sturdy all-metal pillar stand Powerful 56-LED ring light with dimmer This stereo microscope has a 56-LED ring light that offers super widefield optics and 7X-90X zoom magnification power with a cool light illumination system. It is an ideal instrument for industrial inspection and/or biological lab applications. This microscope is perfect for gemologists, manufacturing engineers, dental lab technicians, and anyone in electronic and semiconductor industries. Key Feature: An excellent stereo inspection microscope with intensity-adjustable 56-LED ring light 7x-90x super wide zoom magnification power Bright cool light 56-LED illumination system High resolution with great flatness and contrast, giving sharp and clear images Binocular head with 45 degree inclined 360 degree swiveling eye tubes Sharp stereo erect