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Thread: 51 Focus Points

  1. #1

    Default 51 Focus Points

    Noticed the newly announced Nikon camera has 51 focus points.

    Out of curosity, what are the advantages of having so many focus points?

  2. #2
    Senior Member zac08's Avatar
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    Default Re: 51 Focus Points

    Quote Originally Posted by koayst View Post
    Noticed the newly announced Nikon camera has 51 focus points.

    Out of curosity, what are the advantages of having so many focus points?
    More focal points, then you won't need to do AE/AF lock... better spot metering?
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  3. #3

    Default Re: 51 Focus Points

    Anyone has any idea how this will work?

    I cannot imagine having to scroll around 51 points to find my preferred spot for focusing and spot metering. Also, I would imagine the viewfinder being really crowded with 51 little points + a grid!

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    Moderator ortega's Avatar
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    Default Re: 51 Focus Points

    i should thnk not, as the camera won't be released until nov 2007

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    Default Re: 51 Focus Points

    Quote Originally Posted by posez View Post
    Anyone has any idea how this will work?

    I cannot imagine having to scroll around 51 points to find my preferred spot for focusing and spot metering. Also, I would imagine the viewfinder being really crowded with 51 little points + a grid!
    May be the cam comes with stylus pen to pick the 51 points. hahaha...

  6. #6

    Default Re: 51 Focus Points

    Quote Originally Posted by posez View Post
    Anyone has any idea how this will work?

    I cannot imagine having to scroll around 51 points to find my preferred spot for focusing and spot metering. Also, I would imagine the viewfinder being really crowded with 51 little points + a grid!
    I guess - maybe got different modes. Maybe the Full mode will have 51 points, can have semi-mode which only scroll through 30 points, another mode that only use 20 points???

    Make sense???

  7. #7

    Default Re: 51 Focus Points

    It might be a prelude to Eye controlled focus.
    Last edited by CYRN; 24th August 2007 at 05:15 PM.
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  8. #8

    Default Re: 51 Focus Points

    Look here http://www.digitalreview.ca/content/...R-Camera.shtml

    It seems that it can be set as 9, 21, 51 and 51 points (3D tracking)

  9. #9

    Default Re: 51 Focus Points

    From: http://e-photographia.smugmug.com/ga...4617#187078029


    Single point is user selection.

    Dynamic is for moving subject. User select the focusing point and the camera can use the other points to track the subject if it moves.

    BC
    Last edited by Scaglietti; 24th August 2007 at 05:15 PM.

  10. #10

    Default Re: 51 Focus Points

    sometimes i think had technology makes simple task complicated.. focusing to me is like u should know where the object is. even a 51 focus point, i guess there will still case that camera mis-focus since no matter how, camera is not our brain.. in the end, $$ is paid for some technology that try to simulate intelligent that we just need to practise few times..

  11. #11

    Default Re: 51 Focus Points

    Quote Originally Posted by LENS View Post
    sometimes i think had technology makes simple task complicated.. focusing to me is like u should know where the object is. even a 51 focus point, i guess there will still case that camera mis-focus since no matter how, camera is not our brain.. in the end, $$ is paid for some technology that try to simulate intelligent that we just need to practise few times..
    I think it is more to assist us. Cameras with so high number of focusing points are generally for action photography. With the extra number of focusing points, the camera can track moving subjects better. It is suppose to help you track the subject and improve the chance to get the shot that you want. The chances of say a 11-pt AF system losing track of the subject is higher than a 51-pt system. This is particularly important for people like the professional sports photographer or even nature wildlife photographer.

    You'll realise that there is a choice to reduce the number of focusing points when you do not need them.

    You've got to learn how the camera work and make it work for you. It not suppose to be like what you said.

    BC
    Last edited by Scaglietti; 24th August 2007 at 05:50 PM.

  12. #12
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    Default Re: 51 Focus Points

    More focusing points means more accurate focus.

    Read somewhere that there is a 11-point focus mode, ala D2-style too!

  13. #13

    Default Re: 51 Focus Points

    Quote Originally Posted by huggable View Post
    More focusing points means more accurate focus.

    Read somewhere that there is a 11-point focus mode, ala D2-style too!
    Yup. See the slide I posted above.

    BC

  14. #14

    Default Re: 51 Focus Points

    More focusing points basically means more options. If D3 has eye control focus, then the camera could even guess which point you're looking at and focus using the nearest point.

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    Default Re: 51 Focus Points

    Quote Originally Posted by Scaglietti View Post
    I think it is more to assist us. Cameras with so high number of focusing points are generally for action photography. With the extra number of focusing points, the camera can track moving subjects better. It is suppose to help you track the subject and improve the chance to get the shot that you want. The chances of say a 11-pt AF system losing track of the subject is higher than a 51-pt system. This is particularly important for people like the professional sports photographer or even nature wildlife photographer.

    You'll realise that there is a choice to reduce the number of focusing points when you do not need them.

    You've got to learn how the camera work and make it work for you. It not suppose to be like what you said.

    BC
    You're the only one with the right answer.

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    Default Re: 51 Focus Points

    Does it need user calibration? :

    Quote Originally Posted by waileong View Post
    More focusing points basically means more options. If D3 has eye control focus, then the camera could even guess which point you're looking at and focus using the nearest point.

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    Default Re: 51 Focus Points

    when canon came out w the eye controlled feature like 10years ago. i did try it and they were quite amazing after some calibration. just look and it focus correctly. but it somehow died off. dunno why...dun think nikon will pick it up from there. but i should think hte overall area focusing should improve by quite a far bit w so many points.

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    Default Re: 51 Focus Points

    But having so many focus points may sometimes be annoying. I have seldom used anything more than the centre focal point. Especially since the camera seems never been able to guess what I am trying to use as my subject.

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    Default Re: 51 Focus Points

    Quote Originally Posted by cantaresg View Post
    But having so many focus points may sometimes be annoying. I have seldom used anything more than the centre focal point. Especially since the camera seems never been able to guess what I am trying to use as my subject.
    Same here. 99.5% of the time i use the centre focus point so i know what i want in focus.

    Then again i'm not a sports photographer who may require a subject to be tracked.
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  20. #20
    Senior Member sammy888's Avatar
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    Default Re: 51 Focus Points

    I suspect this is more a "marketing" feature then something that would be really useful. How much more accurate it would be? I would think that having 51 sensor points would confuse the AF more if you have multi layers of objects in a scene you compose to shoot. Does the 51 sensor and it various configuration start searching all over the place fighting against you to over-right your preference of which object to focus on? I suspect most of us will leave it to its bare basic configuration for ease of use and speed.

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