Hi Ken,
> I still feel pretty sure that I want the 17-35 and 100-400 IS to be the
> bookends of my lens kit since I just can't afford a real "bird lens", and
> I like the versatility. I have the most questions about the middle.
I own both lenses and like them a lot (especially the 100-400). My mid-range lens is
the 28-70/2.8 (I like the versatility of a fast zoom and need no IS in that range).
All three Lenses have 77mm, so I can use same filter, polarizer or closeup-lens.
For closeups sometimes I use the 28-70, but mostly the 100-400 with 500D - a
combination which performs extremely well.
> Probably for my purposes the 100-400 plus 1.4x will serve.
I use this combination with my -3 too (and most of the time at the long end). Handheld
results are fine if the subject is not moving. For shooting birds in flight the
resulting aperture f8 is too slooooow in most cases. IS does not help here. Perhaps
you should wait for the 400/4DO IS?
> .. has to do with IS and metering ... exposure confirmation
IS only stabilizes the image and does not change any other displayed information. The
"shake-warning" exists only on cameras with programmed image-modes. Using my -300 in
image-mode, switching IS on or off has no effect on this warning.
Jochen
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