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Thread: When to use Manual focus & Manual Mode?

  1. #1

    Default When to use Manual focus & Manual Mode?

    Can anyone here advise when do we use
    1) Manual Focus, and
    2) Manual Mode??

    Thanks.

  2. #2

    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by mpikxfx View Post
    Can anyone here advise when do we use
    1) Manual Focus, and
    2) Manual Mode??

    Thanks.
    1 = When AUTO Focus does not work well
    2 = When you need greater control of the exposure triangle

  3. #3

    Default Re: When to use Manual focus & Manual Mode?

    You use manual focus when
    1. the lens does not AF on your camera or does not AF at all
    2. AF fails to achieve focus lock
    3. when doing macro
    4. you want to focus somewhere close to the subject and then tweak the focus
    5. you just like manual focusing

    You use manual mode when
    1. the lighting conditions at where you are shooting at is constant
    2. you are insecure and don't trust the camera's metering
    3. you feel somewhat better than other photographers just because you set everything yourself.

  4. #4
    Senior Member edutilos-'s Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by mpikxfx View Post
    Can anyone here advise when do we use
    1) Manual Focus, and
    2) Manual Mode??

    Thanks.
    There are so many reasons.

    One that jumps to mind is simply when you prefer it. It's just like asking why someone chooses chocolate ice cream.

    Manual focus is useful when it comes to macro photography, AF will hunt too long. Another case where it is useful is when the camera can't focus, because of the use of a strong ND filter or IR filter which cuts out light.

    Manual mode is useful when 0 EV as predicted by camera is not likely to be very accurate. Some examples include contrasty situations. Of course, it's just a matter of preference, you can just as easily adjust the exposure compensation yourself.

  5. #5

    Default Re: When to use Manual focus & Manual Mode?

    let me pose this question since we're on manual mode. Assuming i'm in this situation:
    # light - constant, but dim
    # flash not allowed
    # subject is fast moving

    can i also use manual mode to switch to a bigger aperture (more light passes through), faster shutter speed (no motion blur from the subject) and a mid-range iso (as little as possible to reduce noise)?
    Alpha
    Want to get back to photography

  6. #6
    Senior Member edutilos-'s Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    Prince Photogenic,

    you still have to consider exposure. If you switch to faster shutter speed, mid-range ISO, and large aperture and the exposure time is insufficient for the ISO/aperture settings, you'll get underexposed photo.

    If you fully rely on camera metering to get 0 EV, then you can just as easily use aperture priority, set the ISO range, open up the aperture, and let the camera determine the shutter speed for you.

    I think you will have more problem getting focus in such a situation rather than worry about the exposure.

  7. #7

    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by Prince Photogenic View Post
    let me pose this question since we're on manual mode. Assuming i'm in this situation:
    # light - constant, but dim
    # flash not allowed
    # subject is fast moving

    can i also use manual mode to switch to a bigger aperture (more light passes through), faster shutter speed (no motion blur from the subject) and a mid-range iso (as little as possible to reduce noise)?
    If you trick the camera and underexpose the photos, bringing the exposure up in PP will result in much more noise than using a higher ISO in the first place, so just push the ISO up if you need to.

  8. #8
    Moderator Octarine's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by Prince Photogenic View Post
    let me pose this question since we're on manual mode. Assuming i'm in this situation:
    # light - constant, but dim
    # flash not allowed
    # subject is fast moving

    can i also use manual mode to switch to a bigger aperture (more light passes through), faster shutter speed (no motion blur from the subject) and a mid-range iso (as little as possible to reduce noise)?
    Remember: taking pictures is capturing light. If there is only dim light then only high ISO (signal amplification) will help to capture moving objects without motion blur and without using flash. ISO can be adjusted in other modes as well, doesn't need manual. Maximum opening of aperture is defined by the lens, no camera mode can change this. Again, you can adjust this in other modes as well, Aperture Priority mode is designated for such approach. Moving subject requires either fast manual focus or prefocus.
    Just go out in evening an try. More important is that you understand the exposure triangle of aperture, shutter and ISO and how they affect each other. Fast moving objects don't give much time for trial and error, you should exercise before you go for important shots.
    EOS

  9. #9
    Senior Member Override2Zion's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    I would use manual focus in the following situations
    1) Lens Incapable of AF
    2) Hesitant AF lock
    3) Lens with front/back focusing issues
    4) Switching to MF after focus lock (using AF) for panoramic/HDR shots
    5) Setting hyperfocal distances using the scale on lens
    6) Shooting Macros

    I would use manual mode in the follow situations
    1) Finer control of Aperture and Shutter speed, ISO
    2) Situations where i want to ensure consistant exposure
    Nikon D200/D700/D800 User :)
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  10. #10
    Senior Member Diavonex's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    When shooting in low light and flash is not allow, you can try the following:

    1. Increase ISO

    2. Open up Aperture

    3. Shoot RAW and underexpose by one to two stops

    4. You can reduce the noise when processing the RAW file

  11. #11
    Member armadillo's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    When using manual focus, try to remember to switch back to auto focus.
    Sometimes after using manual focus, I forgot to switch back to auto, result some photos not focus
    _____________________________________
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  12. #12
    Senior Member oceanpriest's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by mpikxfx View Post
    Can anyone here advise when do we use
    1) Manual Focus, and
    2) Manual Mode??

    Thanks.
    When you let the camera decide everything, but you are still not satisfied

  13. #13
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    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by oceanpriest View Post
    When you let the camera decide everything, but you are still not satisfied
    Best reply so far.

  14. #14
    Member Bukitimah's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    After a couple of weeks into photography, I realise I am using around these 3 settings most times. Manual, Aperture and Speed. The rest seems to be less often. Of course the ISO setting is also a very useful tool.

    Am I using the camera correctly? I think I will pick up more tips over this weekend outing at Pandan.

  15. #15
    Member makolit's Avatar
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    Default Re: When to use Manual focus & Manual Mode?

    manual focus = AF is insufficient
    manual mode = when you think you know what you're doing to be creative



    After a couple of weeks into photography, I realise I am using around these 3 settings most times. Manual, Aperture and Speed. The rest seems to be less often. Of course the ISO setting is also a very useful tool.

    Am I using the camera correctly? I think I will pick up more tips over this weekend outing at Pandan.
    i don't see why you feel you are doing anything wrong. you will learn something new everyday, even when you think you already know everyting. good job. keep on shooting!

    cheers!
    is using a digital camera that works ...

  16. #16

    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by oceanpriest View Post
    When you let the camera decide everything, but you are still not satisfied
    haha that answers every part of your question

  17. #17

    Default Re: When to use Manual focus & Manual Mode?

    May I know why I cant set the Exposure Compensation while I am in Manual Mode?
    I can only set the bracketing/HDR when in Manual Mode...
    Is my camera malfunction or wat? Thanks.

  18. #18

    Default Re: When to use Manual focus & Manual Mode?

    Quote Originally Posted by mpikxfx View Post
    May I know why I cant set the Exposure Compensation while I am in Manual Mode?
    I can only set the bracketing/HDR when in Manual Mode...
    Is my camera malfunction or wat? Thanks.
    Manual means everything you set yourself. EC is just to offset from the setting that the camera thinks is the correct exposure for the scene. Why would you need EC when you can do the same by manually adjusting aperture or shutter speed in Manual Mode?

  19. #19
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    Default Re: When to use Manual focus & Manual Mode?

    When you want a sense of being in control.
    Just like racing drivers like manual gear change.
    It means you really know your stuff.

  20. #20
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    Default Re: When to use Manual focus & Manual Mode?

    when all the other modes fail

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