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| Pentax SLR Lens Discussion Discuss any Pentax K-mount, screwmount, or medium format SLR lens, as well as filters and attachments. |
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| 09-02-2008, 10:41 PM | #1 |
| Junior Member | Sigma 18-50mm F2.8 EX DC MACRO AF problems on K20D Howdy, I am hoping someone here has solved this problem. My recently acquired Sigma 18-50mm F2.8 EX DC MACRO focuses perfectly on my K10D but not so on the K20D. I tried adjusting AF for this lens on the K20D but so far it's still work in progress. Would anyone happen to know if there is perhaps a firmware update for this lens? I looked on the Sigma website but no luck yet. Any advice would be much appreciated. |
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| 09-04-2008, 08:58 AM | #2 |
| Site Supporter Location: Michigan Gallery Photos:
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Posts: 58 | hmm I got this lens when I had my k100ds. I just received my k20d last week, and I haven't had any problems at all. |
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| 09-04-2008, 09:48 AM | #3 |
| Junior Member | Update I ended up shipping the lens to a Sigma repair center, there was just no way to adjust it in-camera to focus correctly. It's real pity because I really like this lens. I will post an update on how it performs after the calibration. |
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| 09-04-2008, 06:44 PM | #4 |
| Site Supporter Location: Toronto Gallery Photos:
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Posts: 3,739 | Sigma repair center has a really good rep, hopefully it's fixed soon |
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