Parco Scientific 7X—45X Binocular Zoom Stereo Microscope,144-LED Ring Light
7X - 45X standard magnification range, and a field of view of 2 ½”. Praco Scientific PA-1E-IFR07 Binocular Zoom Stereo Microscope - 0.7X-4.5X Zoom Range, 144-LED Ring Light. Magnification Range 7X - 45X.