In Focus: September 2008

Go from wide-angle to telephoto range with a constant ƒ/4 maximum aperture using the smc Pentax DA 17-70mm ƒ/4 AL [IF] SDM. The 17.1-ounce lens covers a 4.1x focal range of 26-107mm (35mm equivalent) on Pentax D-SLRs. Some of the standout features include a 0.31x maximum magnification, an 11-inch close-focus distance and a QuickShift Focus System for instant switching from auto to manual focus.