<One of the U.K. mags had a piece in the news section highlighting rumours that some independant lenses do not work with the F100. Nikon U.K. replied (not surprisingly!) 'all lenses should work, but best to use Nikkors because etc etc, can't gaurantee other makes'.> I have not yet heard about F100 compatibility difficulties, but I recently engaged in correspondence with Tokina who advised that their lenses require modification to operate with the EOS3, FWIW. regards, Henry Posner/B&H Photo-Video http://www.bhphotovideo.com We will be closed March 31 - April 8, 1999. Please plan accordingly.