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10-30-2013, 10:57 PM   #1
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Focus problem caused by low battery?

Yesterday, noticed that my K-01 autofocus was acting erratically. Sometimes just wouldn't focus; other times, it took two button taps to get it to focus properly. Today, I shifted to manual focus, and then -- 'Battery depleted'.

Hadn't paid attention to the battery charge indicator... several days ago, it started showing not full. Anyway, I put in a fully charged battery, and now it's back to normal... fast accurate focus, and focusing in low light most of the time.

Guess it takes some juice to move that autofocus motor!

10-31-2013, 12:24 AM   #2
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Yes it looks like focusing goes worse when battery not have much left. I have noticed same with k5
10-31-2013, 02:10 AM   #3

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yep, have also noticed it with the K-7
10-31-2013, 09:21 PM   #4
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Thanks guys -- good to know I Am Not Alone! At first, I thought maybe some dirt had got in the lens and gummed it up... or maybe I'd bumped it or something. Today dawned fair and clear -- a picture-postcard morning. Went over to Del Mar with the 35mm f/2.4 lens and the autofocus worked fine. Battery!

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