D7000 preview button

Started Aug 29, 2012 | Discussions thread
AndreasBank
Forum MemberPosts: 63Gear list
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Re: D7000 preview button
In reply to Cleros, Aug 29, 2012

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

 AndreasBank's gear list:AndreasBank's gear list
Nikon D800 Nikon AF-S Nikkor 16-35mm f/4G ED VR Nikon AF Nikkor 50mm f/1.8D Sigma 70-200mm F2.8 EX DG OS HSM Nikon AF-S Nikkor 85mm f/1.8G +6 more
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