Kenneth wrote: I have the 600mm FA. I don't use it a lot. But I just returned from Denali National Park, Alaska and it earned it's keep on this trip. I was able to use it with the *ist D (sometimes with a 1.4XL teleconvertor) & got a wide variety of animal shots, from full body to intimate portraits. I've done this trip several times before without the 600 and swore I wouldn't return to Denali without one.
REPLY: How does this lens work with the *istD? Image quality? P�l
