Beseler 45M Complete Condenser Head Lightsource, 220 volt.

Includes two over-sized 6 1/2 " optical glass condensers which work with the Beseler "cone-of-light" principle to maximize illumination on any film format up to 4"x5". Contains a filter drawer for 6 1/2" x 6 1/2 " Variable Contrast or color filters and high output 150w lamp.