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05-19-2013, 01:24 PM   #1
Gary Coles
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Looking To Upgrade

Can I use my istD lenses on a K-5 series body?

05-19-2013, 01:44 PM   #2
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Without knowing which lenses your actually talking about, you will find that most Pentax lenses are backwards compatible, with differing levels of functionality.

It's one of the joys of being a Pentax owner.
05-24-2013, 07:56 AM   #3
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If one of your lenses is the first version of the kit lens (DA 18-55): Resolutionwise this was designed for the 6MP sensor.
With the 10MP sensor of the K10D / K200D / K-m(K2000) it was already at its limit.

The 14MP sensor of the K20D / K-7 clearly outresolved this lens, so Pentax replaced it with the DA 18-55 II. The optics of this are identical with the cheaper DAL 18-55 and the more expensive DA 18-55 WR. All 3 are still good enough (resolutionwise) for the 16MP of the K-5 / K-01 (just).

However, if you don't look at your pictures at stronger magnifications than you did with the *istD, you may not see a difference.
05-24-2013, 08:11 AM   #4
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It will work fine.

Tim

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