Everybody else was excited about the shark feed, but I was torn.  On the previous dive at the same site, I'd gone through a whole roll of film on a garden eel, ooching ever closer until I was almost to 1:1.  Unfortunately, I was also almost to the end of the roll.   Now I wanted to go back and not use much film until I was almost on top of the eel.   The 200mm is the right lens for the eel, but it's not much good for sharks.   There was a fair current running.  Did I dare take two cameras?  I did, and some kind soul offered to take one down for me (she said she really got down fast!), so it wasn't hard at all.  I stayed through the shark feed, left the Nikonos with the 15mm lens on the sand, grabbed the F4 with the 200, and settled down for a little tete-a-tete with the eel.  He was just as cooperative this time.

Nikon F4, 200mm f/4D Auto Micro Nikkor,  Aquatica Housing, 2 Ikelite 200 strobes, f/22, Kodak Royal Gold 100.