DESCRIPTION

This is a circular image focus fisheye lens which captures, on film, a 180 degree view in all directions in a 22.08mm circle. In addition, it is useful for technical applications with solid angle measurement, such as the angle of view through the window with driver in the car or the pilot in the cockpit of an airplane. It accepts removable gelatin filters in a holder near the rear of the lens. The optical materials used in this new lens are lead and arsenic free ecological glass.