Update: Digital and film samples added. Have not had this Pentax 645 AF variant lens before. But after having such good luck with the 80-160mm f/4.5 I jumped at this lens when it showed up at MPB.com at a price I could not refuse. The first time I ever purchased gear from MPB.com. And it … Continue reading This Old Lens (Medium Format): SMC Pentax-FA 645 45-85mm F4.5