I'm trying a different camera rig at the moment, replacing a camera flash with a video light. I'm trying this because I'm tired of processing photos at home to find that the flash has overexposed the photo, even though I've got the flash power at minimum. It seems that the flash on the Canon G15 is just too powerful for close-up or macro shots.
This time I attached a fabulous little QUDOS underwater video light. It is designed to attach to Go Pro cameras, but it was pretty simple to configure a rig that would attach to my Canon underwater housing. It is designed to go down to 40m underwater. It puts out 400 lumens that is more than adequate for the type of close-up photography that I need a light for.
The light has 3 modes from spot to wide-angle, with high and low power on each.
I left the camera in Program mode, but unfortunately the Canon gives preference to Aperture, which means that most of the time it was using f1.8 with a shutter speed of 1/30sec to 1/60sec which is too slow for somebody floating around in the underwater surge. As a result, most of the photos were slightly blurred. Next time I'll set a shutter speed of about 1/125 or above. Regrettably the Canon underwater housing doesn't give you access to the dial that changes the shutter speed, so I'll have to set this before mounting the camera in the housing.
Here are the best pictures of the day: a sample of soft sponges.
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