Recommended settings#
Shutter1/500 s+
Aperturef/5.6–f/8
ISOAuto
White balanceCustom / underwater mode
Quick start: Fast shutter, wide lens close to the subject and a custom white balance underwater.
Starting exposures#
Typical scene brightness for this situation is around EV 12. Use these as a first test shot, then check the histogram.
| Aperture | ISO 100 | ISO 400 | ISO 1600 | ISO 6400 |
|---|---|---|---|---|
| f/1.4 | 1/2000 s | 1/8000 s | too bright | too bright |
| f/2.8 | 1/500 s | 1/2000 s | 1/8000 s | too bright |
| f/5.6 | 1/125 s | 1/500 s | 1/2000 s | 1/8000 s |
| f/8 | 1/60 s | 1/250 s | 1/1000 s | 1/4000 s |
| f/11 | 1/30 s | 1/125 s | 1/500 s | 1/2000 s |
Step by step#
- Get close — water reduces contrast.
- Shoot near the surface in sunlight.
- Set custom WB at depth.
Gear checklist#
- Waterproof housing or action cam
- Wide lens
Pro tips#
- Over/under split shots need a dome port.
Common mistakes#
- Shooting far away through murky water.
Related guides#
Frequently asked questions#
What are the best camera settings for underwater & pool?
Aperture: f/5.6–f/8 · Shutter: 1/500 s+ · ISO: Auto. Fast shutter, wide lens close to the subject and a custom white balance underwater.
What gear do I need for underwater & pool?
Waterproof housing or action cam, Wide lens.
Last updated October 03, 2026 · How we calculate · Sources