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
Verified by LatestUpdate: June 18, 2026
What's new in version 1.2
Improved the stability of O.I.S.(Optical Image Stabilizer).
What is the 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 for the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
The latest firmware version for the 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).
How do I update the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware?
To update the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware, download the latest version (1.2) from Panasonic's website. Follow Panasonic's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Panasonic's support page.
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 do I check for Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware updates?
You can track Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) firmware updates automatically on LatestUpdate.io. We monitor Panasonic's releases and notify you when new firmware versions are available, so you never miss an update.
How often does Panasonic release firmware updates for the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
We have tracked 2 firmware versions for the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300). Panasonic releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Who makes the Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300)?
The Panasonic LUMIX G 100-300mm F4.0-5.6 (H-FS100300) is manufactured by Panasonic. Visit the official product page for more information.