The Panphot was the first truly universal stand for photomicrography. Leitz Panphot Biological Microscope photographic equipment kit light source. This is a rare edition Leitz Panphot geared for biological use, and includes a metallurgical vertical illuminator with many many accessories.Name of manufacturer - Ernst Leitz Wetzlar Serial Number - 493156leitz panphot, camera microscope, science equipment, 35 mm camera, filament and arc lamps, optical equipment, bellows, bellows camera, ernst leitz, wetzlar