The CF f/4 40mm lens allows extreme wide-angle photography. Optimised quality in the close-up focusing range. This lens is the attractive and compac

The CF f/4 40mm lens allows extreme wide-angle photography. Optimised quality in the close-up focusing range. This lens is the attractive and compact design. It has two focusing rings. This provides the best image quality for any of these three ranges and "floating element"" substantially improves image quality in the close-up focusing range.