The Panasonic Lumix DC-S1M2 (S1 II) is the second-generation full-frame L-mount mirrorless camera, featuring a new 24.2MP stacked CMOS sensor with phase-detection autofocus and improved high-speed performance. It records 6K/60p and 4K/120p video with 10-bit 4:2:2 and supports ProRes RAW over HDMI. The S1 II belongs to Panasonic's professional Lumix S full-frame series.
Product released: May 22, 2025
Latest firmware version
Version 1.5, released October 13, 2026
Last checked for updates: Oct 31, 2026 16:01 UTC
What's new in version 1.5
Improved shutter release time lag and burst shooting performance when using an external flash.
Operational stability has been improved.
LatestUpdate has tracked 5 versions of Panasonic Lumix DC-S1M2 firmware, released between June 24, 2025 and October 13, 2026.
Version 1.5 - October 13, 2026: Improved shutter release time lag and burst shooting performance when using an external flash. Operational stability has been improved.
Version 1.4 - March 10, 2026: Support for the Panasonic microphone DMW-DMS1. Compatible with the new features on LUMIX smartphone app "LUMIX Flow (Ver.1.5 or higher)". Operational stability…
Version 1.3 - November 28, 2025: The error message was displayed and recording was not possible when selecting "MP4 (Lite)" in the recording settings after updating to Ver.1.2. This bug has be…
Version 1.2 - November 26, 2025: Addition of Lower-Speed Option for SH Burst Shooting - A lower-speed option has been added to SH burst shooting, including pre-burst shooting. AF Improvements…
Version 1.1 - June 24, 2025: Compatibility with "Capture One" has been improved. - Wi-Fi connection with "Capture One" and wired LAN connection using a USB Ethernet adapter are now support…
Update prediction
This product was recently updated. The next firmware update is expected between October 23, 2026 and August 5, 2027.
Panasonic typically releases firmware updates for this product approximately every 145 days.
The Panasonic Lumix DC-S1M2 (S1 II) is the second-generation full-frame L-mount mirrorless camera, featuring a new 24.2MP stacked CMOS sensor with phase-detection autofocus and improved high-speed performance. It records 6K/60p and 4K/120p video with 10-bit 4:2:2 and supports ProRes RAW over HDMI. The S1 II belongs to Panasonic's professional Lumix S full-frame series. It was originally released on May 22, 2025.
What is the latest firmware version of Panasonic Lumix DC-S1M2?
The latest firmware version of Panasonic Lumix DC-S1M2 is 1.5. It was released on October 13, 2026.
What changed in Panasonic Lumix DC-S1M2 firmware version 1.5?
Panasonic Lumix DC-S1M2 firmware version 1.5 includes the following changes: Improved shutter release time lag and burst shooting performance when using an external flash.
Operational stability has been improved.
Where can I download the latest Panasonic Lumix DC-S1M2 firmware?
Details and download instructions for the latest Panasonic Lumix DC-S1M2 firmware (version 1.5) are on Panasonic's official release page: https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/ff/dl/s1m2.html
How often does Panasonic release firmware updates for Panasonic Lumix DC-S1M2?
We have tracked 5 firmware versions of Panasonic Lumix DC-S1M2. Based on historical patterns, updates are released approximately every 145 days.
When is the next Panasonic Lumix DC-S1M2 firmware update expected?
Panasonic Lumix DC-S1M2 was recently updated. Based on this product's update history, the next firmware update is expected between October 23, 2026 and August 5, 2027.
Is Panasonic Lumix DC-S1M2 still receiving firmware updates?
Yes, Panasonic Lumix DC-S1M2 received a firmware update within the last month. The most recent version is 1.5.