Cory, for whatever it is worth, I tried Bob's 60-250 in Chicago briefly
and was very impressed with its ergonomics. The IQ is second to none as
many examples on this list show.
Still, I recently shot a portrait of a co-worker across the room with
Nikon 70-200/2.8 (letter soup omitted due to lack of memory) with D300.
I used 200 mm and f/2.8 to isolate the subject. Was very pleasantly
surprised.
And finally, I've met two days ago yet another Pentaxian friend who bout
17-70/4 SDM not a long ago and who also has a modern manual focus zoom
lens on his hands now.
Please don't misunderstand me, but I'd rather steer away from SDM lenses.
Boris
P.S. Without knowing too much details, two lenses come to mind: Sigma
100-300/4 and Tamron 70-200/2.8. One of my friends has Tamron for Canon
mount. It is honking big and appropriately heavy. But it yields good
pictures...
On 12/18/2010 1:39 AM, Cory Waters wrote:
Thinking about surprising Santa this year and stuffing my own stocking.
I'd likely use the lens for youth soccer (futball), nature, and auto
racing shots.
I know the 2.8 would be nice (faster is ALWAYS better, right?)
The Pentax lens has a bit more reach in either direction. My current
lens for shooting these soccer games is the DA 50-200. I get decent
shots but but they mostly need cropping. The extra 50mm would be nice
and I'd be moving from 5.6 to F4 so that's better.
The Pentax would have better integration with my K10 and future bodies.
Do any of the 3rd party lenses work with the supersonic focus motor?
The Pentax lens is more than a little bit more money though...
What to do?
Cory
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