The newly released pentax 5 15mm f28 46 is a standard zoom lens designed for all areas of photography its compact design ties in with its partner the pentax q which is currently the worlds smallest and lightest interchangeable lens digital camera the lens covers a wide focal range from 5 15mm which in 35mm format would work out at 275 83mm the lens features a total of four extra low dispersion and low refractive aspherical optical elements in its optics which helps provide a sharp image