Illuminated Portable Pocket Microscope Pocket Microscope magnifies view. An indispensable tool for anyone who needs to see things at high magnification in bright light, with true color, high contrast, and a sharply defined focus. Hand held unit is perfect for inspection, quality control, field use, electronics, metal analysis, clinical observation, cloth/paper examination, and plant studies. Adjustable light source directs the bright bulb onto the exact area to be examined. An adjustable focus control knob produces a rock-solid view. Rugged microscopes Case is chemical- and shock-resistant ABS plastic. Zoom microscope comes with snap-on microscope slide holder accessory. Supplied with AA batteries and a vinyl carrying case (model 3356 only). Pocket-sized units measure 5-1/2 x 1-1/2 x 7/8 inches and weight is 3 ounces. Replacement battery Cat. No. 1111.