By the way, those support towers and guy wire struts are 4500' from my
rear deck, on top of the Comcast Arena in Everett, WA USA.
On Jul 4, 2009, at 01:43 , Joseph McAllister wrote:
On Jul 3, 2009, at 23:26 , Francis wrote:
Hi Pentaxians
Do you know if Tamron's SP 300mm f2.8 (60B) is compatible with
Pentax DSLRs or not?
Yes, it's compatible. But not a perfect piece of glass wide open.
I made up a little GESO for you from some images I shot in May to
see how sharp it was on my K20D. I am not 100% sure, but I may have
had it on my Tamron 2x tele extender at the time. I'd have to shoot
it again, or at least look though the lens alone and see if the
image is the same size as it is here, or not. Anyway this was just a
casual test, so the blow ups of the right edge are of a fence
partially in the goop from the roof closer to the camera.
http://homepage.mac.com/jomac/Tamron%20SP%20300%20Focus%20&%20CA%20test/
Joseph McAllister
Lots of gear, not much time
Joseph McAllister
pentax...@mac.com
I couldn't remember most of what I know today
if it weren't for others sharing their knowledge
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