> fra: Sylwester Pietrzyk <[EMAIL PROTECTED]> > > Toralf Lund wrote on 04.10.05 9:47: > > > Is there really anything ultrasonic about it, by the way? > FTM - Full Time Manual - you can tweak focus by just turning focussing ring > without having to switch anything on camera. Fortunately it finally arrived > to the newest Pentax lenses as QSF - Quick Shift Focus (available in DA and > DFA lenses). Quietness and smoothness of operation is a big plus too, but it > is often completely unuseful, when SLR has loud mirror (like for instance > Canon 1D, which produces sound level similar to hand clapping).
.-) It is strange when people who use a camera at the size of a Pentax 67 and a loud mirror uses the sound level of the USM as an argument for going unnoticed. .-) DagT
