The Pentax DA 560mm f/5.6 ED AW APS-C lens for K-mount is already discontinued in Japan. Update: the lens is also listed as discontinued on the official Ricoh/Pentax website. In the US, the lens is still in stock at Adorama (special order at B&H). Here are a few Pentax DA 560mm f/5.6 ED AW lens videos: Related … Continue reading The Pentax DA 560mm f/5.6 ED AW APS-C lens for K-mount is discontinued