davidkramer

Hi, the main manufacturers are

Ikelite (clear plastic, cheapish but can use eTTL with their own strobes), Sea&Sea: polycarbonate,

Nexus: aluminium, and Subal- the most expensive but very nice to handle and reliable.

Every system will require extensions, specific ports for each lens and a big case, cables etc. Wide angle lenses

have issues of quite severe corner blurring unless you use fisheyes with dome ports. A whole Subal set-up is

expensive (approx $10000), huge, heavy (approx 14lbs) and requires more attention and anxiety than a new baby...

Inon strobes are very good but as with all other u/w strobes for DSLRs require manual exposure in 1/2 stops, and it's

best to use 2 strobes.

Have you tried underwater photography before? It requires excellent diving skills and many more challenges than

topside work (visibility, backscatter, low light, fast moving targets, multiple strobe work, swell, currents, cold, things

that bite/sting, unpredictable salt baths for your prized dSLR etc etc).

Try talking to someone at reefphoto.com or backscatter.com for proper advice. You may want to consider starting off

with a housed compact with a single strobe (these can zoom, do macro, add-on wide angles and autoexposure) and

significantly less cost/hassle. Even then, master diving first then take a camera down. Regards,