The Pentax C60812 is a C mount industrial lens with a 6x manual zoom range. Focal length ranges from 8 to 48mm resulting in a maximum horizontal angle of view of 43°. It can focus down to about 2.5 feet. Its aperture range from F1.0 to F22 can work with high speed machine vision cameras. Manual focal range and manual focus let the user to dial-in the proper angle of view for a singular job.