A7S judders in continuous auto focus mode (AF-C)

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Viramati
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A7S judders in continuous auto focus mode (AF-C)
10 months ago

Hi all

Bought my A7s on friday and have just noticed any issue when using continuous auto focus (AF-C) when I do half press of the shutter to lock and track focus the lens judders in and out for a few seconds and then will settle. Whenever I move the lens judders in and out again. Happens in all the 'focus area' modes (centre, zone, wide etc). Happens with all my sony/zeiss lenses (55, 35 and to a lesser degree with the 24-70)

I have the A7 which doesn't do this but will lock (when it wants too) and doesn't judder in and out. I am wondering anyone with S can try this out to see what happens. Unfortunately my dealer has none available at the moment to test against

 Viramati's gear list:Viramati's gear list
Sony Cyber-shot DSC-RX100 III Leica M Typ 240 Sony Alpha 7S Sony Alpha 7 II Leica Tri-Elmar-M 16-18-21mm f/4 ASPH +10 more
Sony Alpha 7S
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