A fantastic lens for portraits the ef 50mm f18 stm blurs the background behind your subject so they really stand out it will also let you fill the frame without getting uncomfortably close making it easier to get a natural expression on their face when used on a full frame eos camera the ef 50mm f18 stm acts as a standard lens giving a perspective similar to that of the human eye ideal for high quality everyday photography fast virtually silent focusing near silent stm t