How to Set Up Your Camera Settings for Underwater Photography

By Camila Reyes February 22, 2026

Ever wonder why your underwater photos look like murky blue blobs while other divers capture crystal-clear shots of vibrant reef life? In this episode, Camila Reyes breaks down exactly how to configure your camera settings before you descend, sharing the hard-won lessons from her own frustrating early dives. Whether you're preparing for your first underwater shoot or still feeling overwhelmed by all the dials and menus, this step-by-step guide will help you stop guessing and start capturing images worth keeping.

Key Takeaways

  • Ditch auto mode because your camera gets confused underwater. Your camera is smart, but it wasn't designed for the weird lighting conditions below the surface. Water absorbs colors and light in ways that trick automatic settings, so taking control yourself leads to much better results.
  • Start with Aperture Priority mode before going full manual. Think of this as training wheels for underwater photography. You pick one important setting while your camera handles another, giving you a chance to learn without juggling everything at once.
  • Use f/8 as your default aperture setting. Aperture is like the pupil of your camera's eye. Setting it to f/8 lets in a good amount of light while keeping most of your scene sharp and in focus, which is exactly what you want for reef shots and fish portraits.
  • Set your shutter speed to at least 1/125th of a second. Shutter speed controls how quickly your camera takes the picture. Fish move fast, you're floating in water, and everything is shifting around, so a quick shutter speed freezes the action and prevents blurry photos.
  • Plan to test and adjust your settings during your first few dives. Getting your camera dialed in isn't a one-and-done deal. Spend about ten minutes setting things up before you get in the water, then expect to make small changes as you learn what works at your specific dive sites and lighting conditions.

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