Understanding your underwater camera settings

Understanding your Underwater Camera Settings

 

I often see people asking about settings for their underwater camera. What settings for low light? What settings for wide-angle photography? Macro photography? Etc.

 

black and white underwater wreck photo

F5.6, 1/25th, ISO 250

 

People seem to like to memorize settings, and use them all the time. I can understand that, sometimes there's so many other things to worry about. Strobes, buoyancy, air, no deco time, finding subjects.

 

But I hope I can convince you to take a different route. Instead of memorizing settings, try to understand your settings. Then you can adjust to different scenarios.

 

Let's look at the big three, F-stops, Shutter speed, and ISO.

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