These lenses are stunning and specifically designed for the Medium Format bodies and as such, allow lots of light through to the large sensor inside. Slightly different lens lengths to Digital SLR or CSC, the lenses are usually prime which means they do not zoom, although a few zooms are available. Most medium format photographers tend to like the prime lenses, as they are usually much brighter than the zoom versions. Some Medium format lenses can fit onto digital slr with an adapter and also and are fantastic for landscape format photography and portrait photography. Often used by Professional Photographers in a studio setting, they are also great for day to day photos which need to be of an outsatnding quality.