Panasonic Firmware Update Ver.1.2 (2017/3/8) for LUMIX G LEICA DG VARIO-ELMAR, 100-400mm, F4.0-6.3 ASPH., Professional Micro Four Thirds, POWER Optical I.S. Lens (Model H-RS100400): Improvement 2017-03-08
Panasonic Announces the LEICA DG VARIO-ELMAR 100-400mm lens (200-800mm equiv.): Longest Focal Length for Micro Four Thirds 2016-01-05
