Engineered for ease of operation, this quality microscope is a true bargain. Featuring long working distance and excellent depth of field, it accommodates a wide variety of components for inspection. Includes many standard features: adjustable 360° rotatable head, all metal construction, precision rack and pinion focusing with left knob tension adjustment, set-screw locked-in eyepieces, right eyepiece diopter adjustment, 37mm max. object height with adjustable pole height, frosted glass insert, set-screw locked-on stage clips, and dust cover. Optional illumination version (shown) includes 10W, 12V bulbs for incident or transmitted illumination with on/off/on toggle switch and 110V UL listed power supply.