Be aware that I had to sell my Sigma 17-70mm F2.8-4 OS (early model, don't
know about the current one), because I could not adjust it for a proper
focus other than within a very narrow focal length range. So it was like
having just a little than a prime lens, used on my K-5. The Pentax is not
perfect (some different adjustment would improve performance), but is
useable as a zoom lens.
Dario
-----Messaggio originale-----
From: CollinB
Sent: Friday, March 28, 2014 6:38 PM
To: [email protected]
Subject: Should I buy it?
Local shop has the sigma 17-70 SG OS for $280.
(I could cover a third of that by selling my 18-55WR.)
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