Martin, maybe try using filters up front?

Eric, the exact science is a bit beyond me but you can find some very complex descriptions by Googling.
But basically as the aperture gets smaller the light rays spread wider. The larger the film or sensor the less problematic this spread as it's not as wide relative to the film size. This is why if you shoot 10x8" film you can quite easily use f45 with no problems, but an APS-C size digital camera like a Canon EOS20D might be limited to f11 before it starts to soften, and a tiny chip like a 1/3" will be even more problematic.
Steve

Ofer and others,

Now having shot with the EX3 for several months using Nikon long telephotos, how much of an issue are you seeing with wobble from the rolling shutter. Barry Green had a good article saying it will be especially noticeable with using long telephotos---I just wanted to see if you can confirm this. It is one of the determining factors of me going with the EX3 or possibly the JVC HM700 (CCDs).

Hi Steve,
I have been using the Mike Tapa adapter with a selection of long Nikon lenses for the last six months or so and I am thrilled with the results. I only use it for wildlife and haven't noticed any issues at all.
Check out Mike's adapter - an awesome device and now in a great price:
Nikon to Sony EX3 adaptor

Cheers,

Ofer
Ofer Levy Photography

Thanks Ofer. Good to know. I have been concerned about the potential for CMOS Wobble or Jello-effect using a long telephoto with a CMOS sensor. Have you had any shots where you panned at long telephoto or do you shoot mainly static shots? I suspect in the long lens pans is where the problem of jello would surface.