Wide-angle lenses, fast shutter speeds and good spatial awareness all are key in capturing great pictures of sharks.

Of the nearly 700 photos submitted in this year's Photo Contest, Scuba Diving received some great egg shots. See what our readers caught on film!

In underwater photography, it can be a challenge to get the correct exposure on transparent animals, such as this hooded nudibranch in British Columbia; see how David Hall made it happen.

You can still take beautiful underwater images without strobes — just use the sunlight! Here's our guide to perfect underwater pictures with natural/ambient light.

How does an underwater photographer capture a diving kingfisher for a stunning photo? See how Manfred Delpho caught this bird on film in Meadow Pond, Gudensberg, Germany.

The judging for our 2013 Underwater Photography Contest has come to a close: Here are our finalists, from sharks to coral to sea turtles.

Three fundamental strategies for ensuring success in your underwater images.

From sharks to sailfish, wrecks, divers and beyond, our readers have submitted some incredible images for our [2013 Scuba Diving Photo Contest](http://scubaphotocontest.bonniercorp.com/photo_contest/65/submit). While they're not our winners just yet, here's a gallery of our favorite black and white images ... so far. (Captions provided by photographers.)