D7000 preview button

Started Aug 29, 2012 | Discussions thread
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AndreasBank Forum Member • Posts: 63
Re: D7000 preview button

Sorry guys, totally wrong.

DOF Preview will close the Aperture to the set value (e.g. f1.8). This will allow you to assess the oepth of field that you will get with this aperture setting.

The image gets darker because the aperture is smaller than in idle state (totally open).

More info by ken Rockwell:
http://www.kenrockwell.com/tech/dof-button.htm

Or this more visual guide at photozone:
http://www.photozone.de/depth-of-field-preview

Cheers,
Andi

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