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Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D5300/D5200/D5100/D5000/D3300/D3200/D3100/D3000 (Public) topic #811
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Subject: "D5000 AutoFocus with Live View - Problem" Previous topic | Next topic
emjel Registered since 24th Oct 2009Sat 24-Oct-09 12:09 PM
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"D5000 AutoFocus with Live View - Problem"


UK
          

When switching on camera and taking a picture via Live View, I have noticed that the camera/lens struggles to autofocus which prevents a picture from being taken. This does not appear to happen when taking a picture via the viewfinder. Anyone got any ideas? Thanks - Mike

  

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snapsh0t Registered since 30th Aug 2009Sat 24-Oct-09 09:19 PM
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#1. "RE: D5000 AutoFocus with Live View - Problem"
In response to Reply # 0


UK
          

This is, unfortunately, as designed. If you use the optical viewfinder then the camera uses phase detection AF which is fast and accurate. When you use Live View the mirror has to be raised to expose the sensor so the camera can no longer use phase detection as the detectors are behind the mirror but has to use contrast detection for its AF. DPReview's comment on this was that it is so slow it's useless for most types of photography. This is how Live View works for most DSLRs except some of the later Sonys which have a secondary sensor for Live View so can keep the mirror lowered.

Jonathan

  

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Highrisedrifter Registered since 21st Nov 2009Sun 22-Nov-09 09:33 PM
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#2. "RE: D5000 AutoFocus with Live View - Problem"
In response to Reply # 1


UK
          

Aha, thanks for that answer. I was going to post a similar question.

  

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Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D5300/D5200/D5100/D5000/D3300/D3200/D3100/D3000 (Public) topic #811 Previous topic | Next topic