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Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D7100, D7000 (Open) topic #22291
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Subject: "Why does the preview button lock exposure?" Previous topic | Next topic
rfc143 Silver Member Nikonian since 03rd Mar 2011Fri 23-Nov-12 07:35 PM
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"Why does the preview button lock exposure?"


US
          

Whenever I press the function button (Fn), which I have programmed to "preview", it previews the aperature setting ok, but I notice that it locks the exposure too. I've never noticed this before and am curious why it would do that, when you can also program the same button to do just that.

Anyone know?

  
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km6xz Moderator Awarded for his in-depth knowledge in various areas, including Portraits and Urban Photography Nikonian since 22nd Jan 2009Fri 23-Nov-12 07:50 PM
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#1. "RE: Why does the preview button lock exposure?"
In response to Reply # 0

St Petersburg, RU
          

The metering/exposure needs to be locked when stopping down the aperture for preview mode, because doing it any other way would require re-metering when the aperture is returned to fully open when the preview button is released. You are ready to take the shot as soon as preview is cleared.
Stan
St Petersburg Russia

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rfc143 Silver Member Nikonian since 03rd Mar 2011Sat 24-Nov-12 01:07 AM
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#2. "RE: Why does the preview button lock exposure?"
In response to Reply # 1

US
          

Makes sense. Thanks!

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Visit my Nikonians gallery.

  
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Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D7100, D7000 (Open) topic #22291 Previous topic | Next topic
   

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