No diaphragm in compact cameras ?

Started May 10, 2010 | Discussions thread
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Re: No diaphragm in compact cameras ?
In reply to rmbackus, May 11, 2010

What I think you mean is that the camera uses a variable shutter. That is, the in-lens shutter opens just enough to control the amount of light hitting the sensor/film plane.

It's a technique used by compact camera manufacturers for ages.

It makes sense when you think about it. My ancient Minox 35 used the same technique but has delivered some excellent shots.

The only shooting situations where it maters are in contre jour set-ups (shooting against the light). Then it can produce rather ugly artifacts.

Not as good as having a proper multi-leaved diaphragm, but it's good enough in most situations.

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