The Panasonic LUMIX G VARIO 100-300mm F4.0-5.6 MEGA O.I.S. is a telephoto zoom lens for Micro Four Thirds offering 200-600mm full-frame equivalent reach. It features built-in optical image stabilization and a compact, lightweight design suited for wildlife, sports, and travel photography. The lens is part of the standard LUMIX G VARIO telephoto series.
Product released: April 1, 2010
Latest firmware version
Version 1.2, released January 25, 2012
Last checked for updates: Oct 31, 2026 04:00 UTC
What's new in version 1.2
Improved the stability of O.I.S.(Optical Image Stabilizer).
LatestUpdate has tracked 2 versions of Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware, released between September 13, 2011 and January 25, 2012.
Version 1.1 - September 13, 2011: Enhanced stability of O.I.S.(Optical Image Stabilizer) in video recording. Reduced sound of auto focusing in video recording. This lens offers more comfortable…
What is Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
The Panasonic LUMIX G VARIO 100-300mm F4.0-5.6 MEGA O.I.S. is a telephoto zoom lens for Micro Four Thirds offering 200-600mm full-frame equivalent reach. It features built-in optical image stabilization and a compact, lightweight design suited for wildlife, sports, and travel photography. The lens is part of the standard LUMIX G VARIO telephoto series. It was originally released on April 1, 2010.
What is the latest firmware version of Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
The latest firmware version of Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) is 1.2. It was released on January 25, 2012.
What changed in Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware version 1.2?
Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware version 1.2 includes the following changes: Improved the stability of O.I.S.(Optical Image Stabilizer).
Where can I download the latest Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware?
Details and download instructions for the latest Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware (version 1.2) are on Panasonic's official release page: https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/fts/dl/fs100300.html
How often does Panasonic release firmware updates for Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
We have tracked 2 firmware versions of Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300).