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04-20-2011, 07:33 AM   #1
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Pentax K100D stuck in manual mode

I have a Pentax K100D with a Sigma lens. I took my camera away on holiday and used my brother's Pentax lens on my camera. When I changed back to using my Sigma lens the camera is now stuck in manual. I cannot get it to change the AV on the camera at all. Any ideas?


04-20-2011, 07:59 AM   #2
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If your Sigma lens has an aperture ring, make sure it's set (and locked) into "A".
04-20-2011, 10:04 PM   #3
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Thanks, will try that.

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