Hi Jeff!
Actually, indeed I've been thinking along the lines of housing a P&S or prosumer digicam for starting out, for just the reasons you mention.
Fortunately, I have a few things working in my favor, which I haven't mentioned.
First, my father, though he's a bit long in the tooth, has been a diver for about 20 years, taking on some of the more challenging stuff like cave diving, nitrox, drift diving, and so forth; so any diving I would do would be with him;
Second, my parents have a nice time-share on the East End of Grand Cayman (the Tortuga Club) going on 15 years. The dive shop there also has excellent instructors; and in fact it's where I took the "resort course" back in 1994; though also under my father's watchful eye. Also, although the limit is six students per divemaster, they limited it to 4 per, to be on the safe side. Then, we went out on two dives: The first was on a reef in about 20 feet of water; and then the second was in the underwater petting zoo, a/k/a Stingray City.
I mention this because, even in just 20 feet of calm water, I saw more than enough material to photograph for me to justify housing my 645AFd.
[Yes, while we were there, my mother & I took the big sub where it went out to the wall & then down 150 feet: Sure, it would be nice to eventually go down to the 132 foot limit and shoot that too; but I know I can get images worthy of blowing up to 30x40 inches in just 20 feet of water.]
Also, here at my fiancee's house, we have a 20 foot above ground pool, so I can toss some things in and practice shooting with just a mask.
Next, our friends have a cabin on
Beaver Lake, just an hour away. It's a freshwater lake that is only 8 feet deep at the most; and in the summer is a pleasant 83-85 degrees. Also, Uncle Chazz, the owner of this cabin has been a SCUBA diver for over 30 years; and has been on many, many dives with my father. [And, Uncle Chazz is a crackerjack electrical engineer -- He's who I go to when I have an engineering problem I can't solve.]
So, my basic plan is to go in big by housing my MF gear for underwater use; but then to practice extensively in friendly swimming pool and lake confines before going to Grand Cayman.
On the other hand, your suggestion about taking a P&S instead is quite well taken, and here's why: I can foresee almost a year's worth of prep before all the MF gear is ready to go: About the earliest I could take it swimming in Beaver Lake would be July `08 (takes a while to warm up); and if I decide to go down to the time share in January (when there's a foot of snow on the ground!), I sure would take along an inexpensive P&S.
Cheers!
Dan
PS: Surprisingly, it's quite easy to house a Graflex for underwater, since all you have is the focusing rack, shutter, and a way to pull the handle on the Grafmatic (6 shot) or Kinematic (10 shot) magazine to change sheets.
Dan,
I have read your intro and your posts on housings, MF etc. You are obviously extremely knowledgeable as a photographer and computer guy, as are a lot of the guys on this forum. For what it's worth, I would strongly suggest you do a bunch more diving and start shooting with a point-and-shoot before you invest a dime in high end MF underwater stuff. I think you will see that there is a huge jump from being an accomplished topside photographer to doing decent stuff underwater (at least decent according to others), and that high end resolution is the least of your concerns during the underwater learning curve process. Frankly, being a decent diver, good buoyancy control etc is the first requirement. Issues you may never think of like being able to compose decently while dealing with surge / currents / keeping still with good bouyancy / moving subjects are all things to consider before worrying about resolution. Then you will have to deal with ports working with your lenses, light changes and colour balance changes with depth, keeping the water column between you and your subject to a minimum, backscatter and strobe placement, balancing strobe and ambient, and on and on. There are guys on this forum with point-and-shoot or housed low end cameras, that way outshoot others, like myself, who have fancier stuff.
Who knows, maybe once you get all this down after a few dives, you will actually decide to house your 4x5.
Jeff
Oh, and the other thing - safety - remember, you and others around you, can drown doing this.
Edited by Dan Schwartz, 17 October 2007 - 07:42 AM.