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  1. #1
    41.650, -73.091
    SteveL54's Avatar

    Slow focus in live view

    I've had my D5100 for just over 1 year. Very happy with this camera, and it suits me well for my experience level. For whatever reason, I always used the live view to frame my shots. It was just something that I had gotten used to. I recently started using the eyepiece, and noticed something right away. The auto focus seems much faster when not using live view. The kit 18-55 and the 55-200 seem to take up to 1 second, and the 35mm maybe a bit faster. Going through the eyepiece, It's only about half that, and the 35mm autofocus seems to be nearly instant. Anyone else experience this?


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  2. #2
    The Dude
    Dave_W's Avatar

    Re: Slow focus in live view

    That's difference is expected since the two focus methods are quite different. The Live-View focus is a contrast based focus system while the viewfinder focus is an asymmetric (or phase detection) focus system. Contrast focus is a more accurate system albeit slower. So your observations are spot on, live-view focus is much slower than using viewfinder focus.
    Thanks/Like BackdoorHippie, Pretzel, Sandpatch Thanks/liked this post
     

    "i wanna live with a Cinnamon girl
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    with a Cinnamon girl...."

    AF-S NIKKOR 14-24mm f/2.8G ED; AF-S DX NIKKOR 18-70mm f/3.5-4.5G IF-ED; AF-S NIKKOR 24-70mm f/2.8G ED; AF-S NIKKOR 28mm f/1.8G; AF-S NIKKOR 70-200mm f/2.8G ED VRII; AF-S NIKKOR 85mm f/1.8G; AF-S Micro-NIKKOR 105mm f/2.8G IF-ED VRII; AF-S NIKKOR 300mm f/2.8G ED VRII;

  3. #3
    41.650, -73.091
    SteveL54's Avatar

    Re: Slow focus in live view

    Thanks for the quick response Dave. I was a little concerned that I was having a problem with my camera.
    I'll just have to find another route to convince the wife that I need to buy a 7100.

  4. #4
    The Dude
    Dave_W's Avatar

    Re: Slow focus in live view

    Quote Originally Posted by SteveL54 View Post
    Thanks for the quick response Dave. I was a little concerned that I was having a problem with my camera.
    I'll just have to find another route to convince the wife that I need to buy a 7100.
    Er, uh...I didn't say it was perfectly normal or anything, did I? In fact, it's um, well, it's a very bad sign and it probably means you should be thinking about a D7100. Because, uh, well, because a camera that does what yours is doing just might be doing it because you need a new camera....yeah, that's the ticket!
    Thanks/Like SteveL54, Pretzel, Lawrence Thanks/liked this post
     

    "i wanna live with a Cinnamon girl
    i could be happy
    the rest of my life
    with a Cinnamon girl...."

    AF-S NIKKOR 14-24mm f/2.8G ED; AF-S DX NIKKOR 18-70mm f/3.5-4.5G IF-ED; AF-S NIKKOR 24-70mm f/2.8G ED; AF-S NIKKOR 28mm f/1.8G; AF-S NIKKOR 70-200mm f/2.8G ED VRII; AF-S NIKKOR 85mm f/1.8G; AF-S Micro-NIKKOR 105mm f/2.8G IF-ED VRII; AF-S NIKKOR 300mm f/2.8G ED VRII;

  5. #5
    Senior Member
    Challenge Team
    Pretzel's Avatar

    Re: Slow focus in live view

    Not to kill your hopes or anything, but the D7100 does it too. When you're presenting your argument to the wife, though, use @Dave_W's post. He's a Super Mod, so his advice is spot on!
    Thanks/Like SteveL54 Thanks/liked this post
     
    My current "regular" photo thread: Pretzel and the Gypsy King

    Meum est cum belli labor.



    • PAPA BEAST - D750, and the BEAST JUNIOR - D7100 (D3100 went to her...)
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  6. #6
    Senior Member
    Pebbleheed's Avatar

    Re: Slow focus in live view

    Point out the D7100 has the best auto focus of any non-full frame camera. It's got fantastic low light performance, better battery life and more controls and so on.

    If she's like my wife and that fails to win your cause just offer to buy her a bracelet or ring at the same time pointing out you both get something from the deal.

    Worked for me Slow focus in live view

  7. #7
    Senior Member
    Lawrence's Avatar

    Re: Slow focus in live view

    Just buy her something she has always wanted and expect nothing in return ...
    Nikon D7100
    EX Sigma 10-20mm f4-5.6 DC HSM
    AF-S Nikkor 35mm 1.8G DX
    AF Nikkor 50mm f1.8D
    Tamron SP AF 90mm f2.8 Di Macro 1:1
    EX Sigma 50-150mm f2.8 APO DC HSM OS
    2 x Yongnuo YN560 IV Speedlites
    Yongnuo YN 560-TX Manual Flash Controller
    4 x Yongnuo RN603N remote control and OCF controllers
    Giottos YTL9353 Tripod with Giottos MH 1300 Pro Series Ball head
    Lowepro Slingbag

  8. #8
    Senior Member
    skene's Avatar

    Re: Slow focus in live view

    Quote Originally Posted by Lawrence View Post
    Just buy her something she has always wanted and expect nothing in return ...
    ummm... if expecting nothing in return... why get married in the first place... it only complicates the purchasing of more toys.
    I'm not a pro photographer. I just play one on TV.

    I think everyone should follow and do. Please do not assume we know what's in your camera bag, I left my magic mind reading hat at the repair shop because it does not work past my computer screen.

    Quote Originally Posted by Don Kuykendall View Post
    If you fill out your profile and add the camera gear we can better answer any questions that you might have.
    You can do that at http://nikonites.com/profile.php?do=editprofile





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