The Panasonic LEICA DG VARIO-ELMAR 100-400mm F4.0-6.3 ASPH is a super-telephoto zoom lens for Micro Four Thirds, offering a 200-800mm full-frame equivalent reach. It features optical image stabilization (Power O.I.S.), weather-sealing, and nano surface coating. The lens is part of the premium LEICA DG VARIO-ELMAR telephoto series.
Product released: November 19, 2015
Latest firmware version
Version 1.5, released October 17, 2023
Last checked for updates: Oct 31, 2026 03:56 UTC
What's new in version 1.5
Improved AF performance during zoom.
- Compatible product as of 17. Oct, 2023：DC-G9M2
LatestUpdate has tracked 5 versions of Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) firmware, released between February 8, 2017 and October 17, 2023.
Version 1.4 - March 1, 2022: It is possible to control AF operation by pressing the shutter button halfway, or by pressing the AF-ON button, when [200.00p] is set in high frame rate video…
Version 1.3 - June 8, 2021: [Focus Ring Control] is available by this firmware update. (in case of the usage of Camera with this function) Improved AF performance in FPS 24p mode(24.00p/2…
Version 1.1 - February 8, 2017: Dual I.S.2 function is available. (Firmware update of Dual I.S.2 compatible model is required. The firmware of the DMC-G80/81/85 should be ver.1.2 or later.) F…
What is Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400)?
The Panasonic LEICA DG VARIO-ELMAR 100-400mm F4.0-6.3 ASPH is a super-telephoto zoom lens for Micro Four Thirds, offering a 200-800mm full-frame equivalent reach. It features optical image stabilization (Power O.I.S.), weather-sealing, and nano surface coating. The lens is part of the premium LEICA DG VARIO-ELMAR telephoto series. It was originally released on November 19, 2015.
What is the latest firmware version of Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400)?
The latest firmware version of Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) is 1.5. It was released on October 17, 2023.
What changed in Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) firmware version 1.5?
Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) firmware version 1.5 includes the following changes: Improved AF performance during zoom.
- Compatible product as of 17. Oct, 2023：DC-G9M2
Where can I download the latest Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) firmware?
Details and download instructions for the latest Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400) firmware (version 1.5) are on Panasonic's official release page: https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/fts/dl/rs100400.html
How often does Panasonic release firmware updates for Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400)?
We have tracked 5 firmware versions of Panasonic LEICA DG 100-400mm F4.0-6.3 (H-RS100400).