Milky Way Calculator

Calculate the perfect exposure settings for stunning Milky Way photography.

Camera Settings

Maximum Exposure Time

20.8s
Without visible star trails

All Exposure Rules

NPF Rule (250)10.4s
300 Rule12.5s
400 Rule16.7s
500 Rule20.8s
600 Rule25.0s

Recommended Settings

Suggested ISOISO 12800
Field of View73.7deg
Effective FL24mm (35mm equiv)

Milky Way Tips

  • Shoot during new moon for darkest skies
  • Use manual focus set to infinity
  • Consider image stacking for less noise
  • Best visibility: Feb-Oct (Northern Hemisphere)
  • Use apps like PhotoPills to locate the core