In article <46rtj7$191c@darwin.nbnet.nb.ca>, xela@nbnet.nb.ca says...
>Hi, I just got a like new F3 and would like to know what flashes, Nikon
>or aftermarket work TTL with it.

Nikon offers the SB16a, and the excellent compact SB17 (its forrunner,
the SB12 is sometimes available used at good prices). Some other brands of flashes were produced with the unique F3 TTL shoe - Vivitar made the
excellent 5600 (?) to fit it with a conversion shoe (which will not
work with other flashes, alas).
Hope this helps.