Pentax DA 560mm f/5.6 Lens Coming at Photokina

Photo Rumors has word that Pentax will officially announced the production version of its new DA 560mm f/5.6 super telephoto lens at Photokina 2012.  Pentax had previously shown off a prototype version of this lens, but the new lens is expected to be unveiled later this month with an availability in early 2013.