Panasonic has released firmware updates for its GH1 and G1 digital cameras using the Micro Four Thirds system jointly developed by Panasonic and Olympus. Panasonic also released a firmware update for a lens used by the GH1 and G1, the Lumix G Vario 45-200mm F4.0-5.6 (H-FS045200).
The GH1 update, version 1.2, includes the following performance improvements:
- Improved autofocus performance in low contrast conditions
- Decreased operation noise of the autofocus in movie recording for the H-H020 lens by reducing the autofocus speed
- Improved stability of autoexposure control for Panasonic's H-ES045 lens (introduced in October 2009)
The G1 update, version 1.4, includes the following performance improvements:
- Improved autofocus performance in low contrast conditions
- Improved stability of autoexposure control for Panasonic's H-ES045 lens (introduced in October 2009)
The Lumix G Vario 45-200mm F4.0-5.6 (H-FS045200) update, version 1.1, includes the following performance improvements:
- Improved autofocus performance in AFC mode
- Improved autofocus performance in movie recording (except FHD mode)
- Improved stability of optical image stabilization in movie recording (except FHD mode)
- Decreased operation noise of the aperture in movie recording (except FHD mode)
Additional information, the download link and updating instructions can be found at Panasonic's website.