Right side, right.

Bad histogram.

Everything piled up against the right edge

means highlights blown out, lost detail.

Clouds become white blobs.

Bad histogram.

Everything piled up against the left edge

means shadows crushed, lost detail.

Dark areas become black blobs.

Good histogram depends on the subject.

That's the trick.

There is no perfect histogram.

A night photograph should be dark.

A snowy landscape should be bright.

The photographer's secret.

Most cameras care about, open quote,

correct exposure, close quote.

Photographers care about, open quote,

interesting exposure, close quote.

Sometimes the best photo is slightly darker,

slightly brighter than what the camera recommends.

A challenge for you tomorrow.

Photograph the same thing.

Version A, exactly as the iPhone wants.

Version B, one stop brighter.

Version C, one stop darker.

Then ask yourself, open quote,

which one tells the story best?