Quote Originally Posted by Ara Ghajanian
Actually, I have the Vivitar adapter (I forget the model number) that has worked fine for me for years. I think it should work fine. I am assuming a lot of the more advanced flash features on the SB-800 won't work with the F3, but I'll test it all first. It is a really nice flash unit and I may just steal it from her.
The Vivitar adapter won't give you TTL with that flash, it'll give you a hot shoe though. IIRC, it will give you TTL with a Vivitar 5200.

Rather than spend the $$$ on an AS-17, you might be better off finding a used SB-16 or SB-11.