inverse square law

bounce flash photography & the inverse square law

After you’re done noticing the decorated candles that the bride is holding while dancing with the groom (a tradition in Palestinian weddings), you may well notice how evenly lit this photograph is – from foreground to background.

The people visible in the background seen there between the bride and the groom, are nearly as well lit as the bride and groom. Because this was on-camera bounce flash, the background will be brighter than may have been anticipated. If I had used direct flash, or flash with a diffuser cup or bounce card, my background would’ve been much darker. This is because when we bounce flash behind us, the Inverse Square Law works for us.

This gets interesting, but hopefully we can make it less complicated than the topic often appears. So hang in there …

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