Amazon.com: Mark III 10x & 30x Microscope, Jeweler's Microscope, with Darkfield/brightfield Illumination, Field of View: 20mm At 10x and 7mm At 30x, 360 Degree Rotation : Electronics
OPTIKA SLX-3 Trinocular LED Stereo Zoom Microscope, Rechargeable, 7x to 45x Magnification - New York Microscope Company