I used a shutter speed of 1/3 (aperture = f32) of a second here. As you can see, it was much too slow for this type of image. Although the coral was swaying very slowly in a gentle current, that slow shutter speed was a poor choice.

File: 1-3.jpg
File size: 60KB
Date/Time: 2004:10:21 22:29:06
Image size: 600 x 399