From: "Joel M. Berez" <[EMAIL PROTECTED]> >Following my recent acquisition of an F4, I just got an SB24. It worked >great except that I could not get the low light autofocus light to operate. Are you sure you are not in manual focus or continuous focus? The autofocus beam only works in single servo focus. Art Art Searle, W2NRA, [EMAIL PROTECTED], Lake Grove, Long Island, NY, USA 20 miles east of Nikon USA www.erols.com/w2nra The United States of America - Nulli secundus