The Panasonic LEICA DG SUMMILUX 12mm F1.4 ASPH is a wide-angle prime lens for Micro Four Thirds offering a 24mm full-frame equivalent field of view with a bright F1.4 maximum aperture. It features a 9-blade circular iris, weather-sealing, and a high-quality LEICA-certified optical design. The lens is part of the premium LEICA DG SUMMILUX prime series.
Product released: September 22, 2016
Latest firmware version
Version 1.1, released March 1, 2022
Last checked for updates: Oct 31, 2026 03:59 UTC
What's new in version 1.1
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 mode.
[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/23.98p).
- Compatible products as of March 1st, 2022 : DC-GH6/DC-GH5M2
The Panasonic LEICA DG SUMMILUX 12mm F1.4 ASPH is a wide-angle prime lens for Micro Four Thirds offering a 24mm full-frame equivalent field of view with a bright F1.4 maximum aperture. It features a 9-blade circular iris, weather-sealing, and a high-quality LEICA-certified optical design. The lens is part of the premium LEICA DG SUMMILUX prime series. It was originally released on September 22, 2016.
What is the latest firmware version of Panasonic LEICA DG 12mm F1.4 (H-X012)?
The latest firmware version of Panasonic LEICA DG 12mm F1.4 (H-X012) is 1.1. It was released on March 1, 2022.
What changed in Panasonic LEICA DG 12mm F1.4 (H-X012) firmware version 1.1?
Panasonic LEICA DG 12mm F1.4 (H-X012) firmware version 1.1 includes the following changes: 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 mode.
[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/23.98p).
- Compatible products as of March 1st, 2022 : DC-GH6/DC-GH5M2
Where can I download the latest Panasonic LEICA DG 12mm F1.4 (H-X012) firmware?
Details and download instructions for the latest Panasonic LEICA DG 12mm F1.4 (H-X012) firmware (version 1.1) are on Panasonic's official release page: https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/fts/dl/x012.html