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06-23-2013, 10:26 AM   #1
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New and old DA* 16-50

Dear colleagues, I have heard the rumors that new 16-50 from Pentax are slightly different from previous one.
Does it true? If it is true, are the difference in mechanical or in optical parts or in both?

06-23-2013, 10:40 AM   #2
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There was a statement during an interview that 16-50's made in 2012 or later had an improved SDM motor that would prevent the SDM problems encountered by many with the lens. Here is the statement:
QuoteQuote:
Q: Has this SDM quality control issue been resolved?
A: Yes. The components used in the 16-50mm and 50-135mm lenses have been redesiged, and all lenses produced in 2012 or later should no longer fail.
And here is the link to the interview: Pentax Engineer on SDM Failure and Pentax DC - Photokina 2012 - PentaxForums.com

No mention that I recall of there being any other changes.


06-23-2013, 10:45 AM   #3
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OK, thank you!
May be somebody can tell me there is (or there isn't) the difference in IQ between the new and old lenses?
06-23-2013, 11:00 AM   #4
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No,optically the lens is the same

06-23-2013, 11:10 AM   #5
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Thank you!
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