I've got two Fs, one with a F prism and one with an F2 prism. Love 'em both, even the ritual of taking that back off to change film (just as I like the ritual of cleaning my records and stylus before spinning a disc). I would urge consideration of an F or F2 with Sportsfinder - big image, easy to focus, fabulous eye relief (great for we who wear glasses). OK, the camera doesn't look quite as sleek, but...