Fujinon's HF8XA-5M 2/3" 8.3mm 5MP Machine Vision Lens is a C- Mount lens for 2/3" sensors, and suitable for machine vision applications. Designed to resolve images on sensors up to 5MP, it features locking manual focus and iris rings for use in demanding environments. The lens can focus from infinity down to less than 4" from the front of the lens, producing sharp images with little distortion. It accepts M25.5-sized threaded filters.