Panasonic has issued firmware updates for its Lumix DMC-G1 and GH1 Micro Four Thirds cameras. Version 1.4 of the G1 firmware improves AF performance with low-contrast subjects and optimises AE control for the upcoming Leica 45mm Macro lens that is due for release in October. Version 1.2 of the GH1 firmware also includes these improvements, plus decreases the operational noise of the auto-focus system during movie recording with the Lumix 20mm f/1.7 lens. N.B.: this modification also brings about a decrease in AF speed while recording a video clip with this lens, but does not affect AF speed or noise when taking stills.

Website: Panasonic Lumix DMC-G1 Firmware 1.4
Website: Panasonic Lumix DMC-GH1 Firmware 1.2

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