Tomislav, Here's a link to a Yahoo group for F4's that I also belong to, showing some of the cameras that I've mounted Leica glass on. Art Tafil http://photos.groups.yahoo.com/group/nikonf4usersgroup/lst?.dir=/Arts+Nikon+St uff+Pics!&.src=gr&.order=&.view=t&.done=http%3a//briefcase.yahoo.com/