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08-04-2008, 09:56 AM   #1
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Join Date: Aug 2008
Location: Sweden - Ängelholm
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K100d-s and Tamron problem...

Hie i have a problem with my K100D-s using a Tamron

Just bought a Tamron 28-75 f2.8
And the camera just misses the focus point.
im shoting in "center focus" mode, but the results are very inconsistant.
mostly backfocusing

When shoting in MF mode i get realy sharp results, but as said the AF just sux.

Whos to blame... camera or lens??

The original lens Da18-55 works fine. no problemo!

Please help so i know how to attack the prob


Thnx / Rikard -sweden

08-04-2008, 10:53 AM   #2
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Join Date: Mar 2008
Location: Ontario, Canada
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Most likely the lens is the culprit. When I got mine the first copy was backfocusing. I sent it back and got a replacement. The second one is spot on accurate. I suggest you read up on focus testing on these forums and verify what the lens is doing. Then send the lens back a get a replacement. Good luck.
08-04-2008, 01:32 PM   #3
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Location: Camborne, Cornwall, UK
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I used a tammy 70-300 with no problems, until the zoom gave out...
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