Canon EF 50mm lens - Wikipedia, the free encyclopedia The EF 50mm lenses are a group of normal prime lenses made by Canon that share the same focal length. These lenses are based on the classic double-Gauss lens, with the f/1.8 being a standard six-element double-Gauss with ...
Canon EF 50mm f/2.5 Compact Macro Lens (2002) - Amazon Want to bring small things into full-sized view? Turn to the Canon EF 50mm f/2.5 compact macro lens, which can uncover detail that would otherwise be impossible to detect by the naked eye. Ideal for shooting extremely minute subjects such as insects or th