Re: Good-bye Pentax (was: Pentax needs USM and IS)

[Bruce Rubenstein]

This point was discussed years ago by Canon nature and wildlife shooters 
on photo.net and there was no problem with ultra sonic lens noise.

BR

[EMAIL PROTECTED] wrote:

Rob brings up a good point abou the frequency of USM
lenses, now how are these suppposed to be good for
wild life if your running around the forest with the
equivalent of a dog whislte making a racket?