NATIONAL 420 Series Stereomicroscopes

Grade 9–College. Experience the convenience and versatility of continuous zoom magnification from 10× to 40× with the 420 Series. The erect 3-D image is not reversed and remains in focus throughout the zoom range. Illumination is provided by a halogen top light with a directional beam and a cool, long-life fluorescent bottom light.

The 420 Series comes in 2 versions: one with a standard binocular head (item #595518) and the other with a trinocular head (item #595520) that accepts video or SLR camera adapters (included). Each version includes a molded Styrofoam® container, rubber eyecups, vinyl dust cover, heavy-duty 3-wire grounded cord and plug, and instruction manual.