Imaging recource: Firmware Friday: Sony updates 70-200 and 100-400mm lenses for Alpha 9 compatibility

Our Firmware Friday roundup this week is brief, with news of just two new firmware releases in the past seven days. Both come from Sony for its E-mount lenses. So what's new in the firmware for the Sony FE 100–400 mm G Master and FE 70-200 mm F2.8 GM OSS lenses? Both updates make the exact same change, improving continuous autofocus performance during zoom operation when shooting using a Sony A9 camera body (So if you don't have a Sony A9, you can safely defer the update for the time being.) You can download the new...
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