George,
Thanks a lot for this info.
I will look into it.
Pierre
At 10:50 12/25/2000 -0500, you wrote:
>Pierre,
>I'm not sure here what is your goal - to get to 300mm end somehow, or get a
>good 300mm lens that will produce high quality images. With 28-135IS and 2x -
>you will get a very slow lens that will not AF - it's 5.6 at 135 end already,
>remember? Quality will be poor - I tried it just for the sake of trying with
>Kenko Pro 2x TC, and it was not much fun of a combo. It even could AF at
>times on a very bright day, but still - lots of hunting.
>If you want quality results - get a Canon 300L/4 - many used out there for
>about $600, or Canon 100-300L - slow AF, but good image quality. Or (and I
>took this road sometime ago and never regretted it) - you can look into Sigma
>or Tokina 300/4. I have a Tokina 300/4 and it's a great lens - optics are
>great - it's AT-X series, light weight, smaller than Canon one. A bit slower
>and louder AF, but it doen't bother me - plus it costs a lot less than others
>- you can still find some for about $430 or so - check Adorama. You can read
>more about this on my web site - see link below - in Reviews section. Another
>option for you - is to get 70/80- 200L 2.8 lens and a TC and it will work
>well too.
>George
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