Phase One has announced the first firmware update for the 645DF+ Firmware version 2.20 improves stability – especially related to autofocus and exposure, and specifically with the Schneider Kreuznach 240mm LS and the 75-150mm LS. Please read attached release note for more detailed information. This firmware corrects a number of issues with new lenses, flash communication, exposure and timing plus some general stability issues – Including: Lens/shutter Schneider Kreuznach 240mm LS now … Read More →