AmScope SMDG-1T-LED312W-2GOP 7X-45X Stereo Trinocular Microscope With Pillar Stand and 4-way Lighting System Super widefield optical system offers crisp clear stereo images with 14" pillar for taller samples 7X-45X continuous zoom magnification power Large working distance; large field of view; sturdy metal pillar stand Trinocular port for adding photo or video capability Four-source lighting system with two gooseneck lamps, ring-light, and illuminated stage-plate