Recommended settings#
Aperturef/8
FilterPolariserRotate until the bow peaks
Exposure compensation−0.3 EV
Quick start: A polariser can strengthen or erase a rainbow — rotate it to taste; shoot wide.
Starting exposures#
Typical scene brightness for this situation is around EV 13. Use these as a first test shot, then check the histogram.
| Aperture | ISO 100 | ISO 400 | ISO 1600 | ISO 6400 |
|---|---|---|---|---|
| f/1.4 | 1/4000 s | too bright | too bright | too bright |
| f/2.8 | 1/1000 s | 1/4000 s | too bright | too bright |
| f/5.6 | 1/250 s | 1/1000 s | 1/4000 s | too bright |
| f/8 | 1/125 s | 1/500 s | 1/2000 s | 1/8000 s |
| f/11 | 1/60 s | 1/250 s | 1/1000 s | 1/4000 s |
Step by step#
- Keep the sun behind you; rainbows appear opposite.
- Include a landscape anchor.
Gear checklist#
- Polariser
- Wide lens
Pro tips#
- Darker skies behind the bow increase contrast.
Common mistakes#
- Turning the polariser the wrong way and removing it.
Related guides#
Frequently asked questions#
What are the best camera settings for rainbows?
Aperture: f/8. A polariser can strengthen or erase a rainbow — rotate it to taste; shoot wide.
What gear do I need for rainbows?
Polariser, Wide lens.
Last updated October 03, 2026 · How we calculate · Sources