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Why Is My Flash Photo Overexposed Up Close?

A close-up flash shot is usually overexposed because the flash power wasn't reduced for the shorter distance — the same power that's correct at 4 metres is far too strong at 1.5. A flash photo of a nearby subject comes out badly overexposed, even though a similar shot from further away looked fine.

Likely causes

  • Flash power not reduced for the shorter distance. guide number math means the same flash power that's correct at 4m will be far too strong at 1.5m.
  • Aperture too wide for a close-range flash shot. a wide aperture combined with a close subject and unreduced flash power compounds into significant overexposure.
  • Not accounting for bounce vs. direct flash when the subject moved closer. switching from a longer bounced path to a shorter direct one changes the effective light reaching the subject substantially.

The fix

  1. Recalculate flash power for the actual current distance rather than reusing a setting from a different distance.
  2. Narrow the aperture or lower the flash power specifically for close-range shots.
  3. If using bounce flash, confirm whether the light's path length actually changed along with the subject's distance.

Problem solved — now make the shot count.

Turn today's fixed shots into ready-to-post captions, hashtags and matching audio — free to try, no signup.

Want the full lesson?

This topic is covered in depth in Lesson 2: The Exposure Triangle.

Get this right next time with the Flash Power Matrix.

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Related terms

What Is a Flash Guide Number? — Photography GlossaryWhat Is Flash Sync Speed? — Photography Glossary

Troubleshooting

Why Is My Flash Photo Too Dark at a Distance?