I own the 70-200/2.8 EX (not DG) and it's a gem. Both build quality and
optical performance are at the top. You can use it wide open at 200mm with
no worry (which was not the case with any other zoom lens in this range I
used before the Sigma).
Compared to the Pentax FA* 80-200/2.8, on my D at 200mm the Sigma is a bit
better at edges and a bit worse at center. Both are excellent and it's not
easy to choose which one is above which one. I guess on 24x36mm the Sigma
would win, since the Pentax goes down noticeably toward the edges even
within APS format.
Around 70-80mm, the Sigma is still excellent, but the FA* is undoubtably
better (lower CA and higher res).
Dario
----- Original Message -----
From: "Derek" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Wednesday, March 08, 2006 6:35 PM
Subject: Sigma Lens - Was "which camera to buy?"
Speaking of Sigma lenses, has anyone owned and used the Sigma 24-70/2.8
or the 70-200/2.8?
Thanks,
Derek
-------------- Original message ----------------------
From: Mark Roberts <[EMAIL PROTECTED]>
[EMAIL PROTECTED] wrote:
>I owned one Sigma lens, the 17-35. It was one of their high-end models
>with all those extra letters in its name. It was a turd. I sold it and
>replaced it with the DA 16-45. No comparison. I went from shit to sugar.
I have the Sigma EX300/2.8 APO. Great build quality and optics. I'm
sure the Pentax equivalent is better but it's also $1500 more
expensive (the Sigma cost me about $2200).
Anyone who comes to GFM is welcome to try out the Sigma.
