The Pentax 70mm f2.4 DA Limited Lens Black offers an equivalent range of 107mm in 35mm film format and is designed for digital SLRs with the Pentax K-mount. With its medium-telephoto perspective, this lens is ideal for many different applications, including portraiture and travel. The Pentax 70mm f2.4 DA Limited lens offers an impressive focal length, a large f2.4 maximum aperture and outstanding sharpness into a compact, hand-machined aluminium body. The Pentax Limited series lenses are renowned for their hand-machined, well-built aluminium body, exceptional image quality, High Definition (HD) coating and a round-shaped diaphragm for a beautiful bokeh (out-of-focus) effect.