The 135mm focal length is ideal for near sporting events (like wrestling and basketball shot from the floor). It is also useful in portraiture where a slight flattening of features is preferred. The Pentax 135mm f/3.5 screw mount manual focus lens is a professional quality 135mm lens. This is a very compact and light 135mm lens and it will produce high quality images even at its maximum aperture.
Medium telephoto lens for the Pentax screw mount manual focus system
Superb optical qualities ideal for sports and shallow-depth portraiture