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02-09-2012, 12:37 PM   #1
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DA vs DA*...?

Is the only difference between a DA and DA* the weather sealing?

I thought the DA* was a higher grade optic over the DA as well as weather protection? Or are the optics the same with the two lenses?

02-09-2012, 12:43 PM   #2
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In addition to weather sealing, DA*s have SDM and higher grade optics.

Last edited by K57XR; 02-09-2012 at 01:01 PM.
02-09-2012, 12:58 PM   #3
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Most DA*s are also one stop faster than their consumer grade cousins. I think all of them are constant aperture.
02-09-2012, 01:21 PM   #4
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Think normal Canon lenses vs. Canon L lenses, it's basically the same distinction except Pentax's lineup is no longer as complete.


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02-09-2012, 02:33 PM   #5
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QuoteOriginally posted by K57XR Quote
... and higher grade optics.
That's debatable.
02-09-2012, 02:40 PM   #6
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QuoteOriginally posted by wlachan Quote
That's debatable.
Conceptually, it's to be better optics. With the exception of the 16-50, I believe the remaining DA*s are known to have better optics than the rest of the range (excepting maybe the limiteds).

Of course, it helps that most of the DA*s are the sole residents of their ranges...
02-09-2012, 04:41 PM   #7
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There are no lenses where there is a DA and DA* version of the same basic focal length and maximum aperture, so it doesn't really make sense to ask that the difference is. For example, the list of differences between the DA*50-135 and DA50-200 is a lot longer than the list of similarities, because they are such different specs.
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