Soakedlontra
Contributor
As someone who has been using a pair of A570 cameras for stereoscopic imaging for years, and who will be going to the Red Sea later this year, I just bought a Canon housing for one of the cameras on Ebay. I was, therefore, very interested to find this thread.
Since I am not (yet?) much of a diver, I'm expecting a steep learning curve as I try to make some useable underwater images... (Which is why I'm not planning to invest hugely in the enterprise!
I do have a couple of experienced underwater photographers as friends - one is a professional, the other makes housings, so I'll get some help from there, but I'm also going to be trying to pick up tips on here
Bob
Buoyancy control is really important and don't forget to check your gas ! It is so easy to get totally focused on the camera and the subject that in no time you may end up being low on gas without realizing it.
The buttons in the Canon Housing tend to get sticky. Lately I have been really fussy about soaking it in fresh water and regularly pushing the buttons after every dive. So far so good.
The camera can take great macro pictures even with just its own built in flash but unless you have strobe lights it is a bit more problematic to successfully expand that range, especially in the cold water of the Pacific Northwest, tropical water is more forgiven. I have just recently bought one strobe light which I haven't used yet.
I have noticed that I have been getting somewhat satisfactory wide angle shots when I am in shallow water and I don't use the flash at all but just the ambient light. This little camera can take nice video clips when the conditions are right too.
I would suggest to experiment with both the underwater and custom white balance.
You can see a variety of shots and image quality here taken with an A570 and S90:
http://www.scubaboard.com/forums/force-fin/280732-where-did-i-go-my-force-fins-21.html#post5400604
and short videos here:
Elisabetta Bastai on Vimeo
Have fun in the Red Sea, I would like to dive there myself one of these days.
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