Over the past couple of days I have been conducting a PADI DUP [Digital Underwater Photography] Specialty course with Michelle from Canada. The focus of the course is to hopefully improve the quality of shots divers take under underwater. Yesterday, starting with a classroom session we covered basic photographic principles such as exposure, white balance, iso speed, shutter speed, aperture and so on. We also covered how to properly prepare and care for your camera housing, as well as doing a bit of book work.
This morning we head off on Simple Life Diver’s boat to Red Rock [Nangyuan Pinnacle] and White rock to put what we had learnt into practice. Scuba diving conditions are excellent, though possibly a little choppy en route to the second dive site which I’d put down to the full moon. Nothing that our sturdy custom built dive boat and able sea-dog captain couldn’t handle 
Anyway back in the classroom this afternoon we whipped out the laptops (3 at one stage), to do a little touching up of the photos we had taken. PhotoShop and other imaging editing software were used for adjusting RGB curves, white balance, brightness, contrast, colour along with a few other tools.
The PADI DUP course is a great foundation course for anyone who’s just brought a underwater camera, covering pre-dive, dive and post dive techniques.
Here a couple of before and after shots from today – vote for your favourite below!
Jon's underwater photo of a clown-fish
Michelle's photo of a sea-snake, before and after editing
POLL: Vote for your favorite digital underwater photo from today’s session:
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