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Thread: Metering, AE Lock & AF Lock for portairt

  1. #1

    Default Metering, AE Lock & AF Lock for portairt

    Hello everyone, I'm pretty confused about how to do the correct metering when shooting portrait.

    I'm using D90 + Tamron 28-75/f2.8.
    My current setting is "Single point metering" / "Single point focus", Aperture @ 2.8/3.2
    Shutter speed usually 1/60.

    Am I supposed to meter the face @ very close range (like a few inches) to the highlight area?

    then AE lock, step back, focus, AF lock, re-compose and exposure?

    Or I shall just stay away, meter the face, AE/AF lock together and re-compose , exposure?

    I often find some area of the face is too bright (shoot at 3-4pm sunny afternoon), even if I try to use f4 with 1/80s.

  2. #2
    Senior Member luna_sea83's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Sunny afternoon with F4, 1/80? are you using Manual mode?

  3. #3
    Moderator catchlights's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by luna_sea83 View Post
    Sunny afternoon with F4, 1/80? are you using Manual mode?
    does anyone need AE lock when using manual exposure mode?
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  4. #4
    Moderator catchlights's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by kulagg View Post
    Hello everyone, I'm pretty confused about how to do the correct metering when shooting portrait.

    I'm using D90 + Tamron 28-75/f2.8.
    My current setting is "Single point metering" / "Single point focus", Aperture @ 2.8/3.2
    Shutter speed usually 1/60.

    Am I supposed to meter the face @ very close range (like a few inches) to the highlight area?

    then AE lock, step back, focus, AF lock, re-compose and exposure?

    Or I shall just stay away, meter the face, AE/AF lock together and re-compose , exposure?

    I often find some area of the face is too bright (shoot at 3-4pm sunny afternoon), even if I try to use f4 with 1/80s.
    if it is on a Sunny day, with subject face is lighted by direct sunlight with distinct shadow, the correct exposure on the face should be f16, any ISO, shutter speed is 1/(same as ISO).
    so even you are using f4, 1/80s, I'm sure it suppose to be just simple white wash, way way overexposed.
    Shoot to Live, Live to Shoot
    www.benjaminloo.com | iStock portfolio

  5. #5

    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by luna_sea83 View Post
    Sunny afternoon with F4, 1/80? are you using Manual mode?
    Should be A mode, I set ISO auto, max 400. EV -0.7 or -1.

    I cannot remember exactly the shutter speed but it's fast.

    And there are still too much light on the face >_<.

    I suspect I did not do right when I meter and AE lock.

  6. #6
    Member Cartman2000's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Should be A mode, I set ISO auto, max 400. EV -0.7 or -1.
    Did you meter the background? Evaluative?

  7. #7

    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by catchlights View Post
    if it is on a Sunny day, with subject face is lighted by direct sunlight with distinct shadow, the correct exposure on the face should be f16, any ISO, shutter speed is 1/(same as ISO).
    so even you are using f4, 1/80s, I'm sure it suppose to be just simple white wash, way way overexposed.
    Ohh thank for the advice, will practice. But I want Bokeh effect, with f16 how ah?

  8. #8

    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by Cartman2000 View Post
    Did you meter the background? Evaluative?
    Eww sorry I do not know how to meter the background, it's like empty space, very far away there are some tall buildings.

    The model is standing near a light pole before the parliament house.

  9. #9
    Moderator catchlights's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    yes, you should take the exposure reading from the face, but most people fail to put their portrait subject under the right light at the first place. this is first issue, you can borrow a book on portrait photographer to know more on this.

    second issue is understanding what is exposure, you can read the book call "understanding exposure" by Peter Bryan, this is a great book.

    third issue is how to focus, there is this thing call focusing point selector on your camera, you can read your camera user manual for how to make full use of it.

    hope this help.
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  10. #10
    Moderator catchlights's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by kulagg View Post
    Ohh thank for the advice, will practice. But I want Bokeh effect, with f16 how ah?
    Please please please do the math yourself,
    if open up the lens aperture,
    you compensate by using a higher shutter speed for correct exposure.
    Shoot to Live, Live to Shoot
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  11. #11
    Moderator catchlights's Avatar
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    Default Re: Metering, AE Lock & AF Lock for portairt

    Quote Originally Posted by kulagg View Post
    Should be A mode, I set ISO auto, max 400. EV -0.7 or -1.

    I cannot remember exactly the shutter speed but it's fast.

    And there are still too much light on the face >_<.

    I suspect I did not do right when I meter and AE lock.
    every single photos start with correct exposure, regardless what type of subjects.

    why don't learn what is exposure first?
    Shoot to Live, Live to Shoot
    www.benjaminloo.com | iStock portfolio

  12. #12

    Default Re: Metering, AE Lock & AF Lock for portairt

    Thank you very much catchlights!

    I will read up and practice more.

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