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Thread: ISO

  1. #21

    Default Re: ISO

    should read some newbie manuals and shoot test out in whatever setting you are. take the same shot with the different iso settings and see the result. you will then appreciate it better.

  2. #22
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    Default Re: ISO

    Hmm thanks for the info been trying out!

  3. #23
    Moderator daredevil123's Avatar
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    Default Re: ISO

    Quote Originally Posted by skylover View Post
    Additional Information. BTW.. Nikon Base ISO is 200. Avoid using anything below. You can use anything above that but try not to as what others have mentioned. ^^
    Base ISO is not determined by Brand. It is determined by the specific sensor used in that camera.

    Sensors in D300, D300s, D90, D5000, Pentax K-x, Sony A500, A550 all have ISO 200 base.

    D200, D80, D60, D3000, D40x, D40, D70, D50, D100 all have ISO 100 base.

    The coming new D700 has a base ISO of 100.

    Please do not make sweeping statements like this before some basic research.

  4. #24
    Member DrSpock's Avatar
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    Default Re: ISO

    The thing you must always remember with ISO is it is closely related with Aperture(A) and Shutter Speed(SS). Generally it can be summarise into 4 cases but of course the combination can be thousands.

    For slowest possible SS = narrow A + lowest base ISO - eg, use in night scene, bulb mode or landscape shoots, blur waterfall, etc on tripod

    Slow to Mid SS = wide A + low ISO - eg, use in outdoor/indoor portrait with shallow DOF, static subject, etc

    Mid to high SS = small A + high ISO - eg use in outdoor landscape with subject shooting, panning etc

    whereas for fastest SS = widest A + highest ISO - used in sports or indoor/ dim, fast scene, freeze the aeroplane, etc

    I always base my shoots on this basic principles
    Photography? It's all in your mind...

  5. #25
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    Default Re: ISO

    Quote Originally Posted by DrSpock View Post
    The thing you must always remember with ISO is it is closely related with Aperture(A) and Shutter Speed(SS). Generally it can be summarise into 4 cases but of course the combination can be thousands.

    For slowest possible SS = narrow A + lowest base ISO - eg, use in night scene, bulb mode or landscape shoots, blur waterfall, etc on tripod

    Slow to Mid SS = wide A + low ISO - eg, use in outdoor/indoor portrait with shallow DOF, static subject, etc

    Mid to high SS = small A + high ISO - eg use in outdoor landscape with subject shooting, panning etc

    whereas for fastest SS = widest A + highest ISO - used in sports or indoor/ dim, fast scene, freeze the aeroplane, etc

    I always base my shoots on this basic principles
    Hey thanks a lot!

  6. #26

    Default Re: ISO

    yes, my D60 has a base 100 ISO. does it mean i should go to 200?

  7. #27
    Senior Member Override2Zion's Avatar
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    Default Re: ISO

    Quote Originally Posted by dougs View Post
    yes, my D60 has a base 100 ISO. does it mean i should go to 200?
    No, that means you should stick to 100, whenever possible.
    Nikon D200/D700/D800 User :)
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  8. #28
    Moderator daredevil123's Avatar
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    Default Re: ISO

    Quote Originally Posted by dougs View Post
    yes, my D60 has a base 100 ISO. does it mean i should go to 200?
    D60, D40x, D3000, D200 and D80 are all using the same CCD sensor with a base ISO of 100. So if you want best IQ, stick to ISO100, especially when doing long exposures.

  9. #29

    Default Re: ISO

    Different ISO Condition

    Using Higher ISO - increase the light sensitivity, It is useful in low light condition but it will increase in grain and noise in your photo.

    Using Lower ISO - Less light sensitivity, It is useful in bright area. can achieve high EQ in your photo.

    Recommendation - always try to use the lower ISO if possible but if seriously cannot then use higher ISO to compensate for the lost light.
    Lastly just remember this phase "It better to have noise and grain then having a blur photo"
    [Canon 500D][EF-S 15-85mm][EF 50mm II][430EX II]
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  10. #30
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    Default Re: ISO

    What will happen for D300 and D90 to go below the base ISO of 200 ?
    Shot more cos digital is FREE !!!

  11. #31
    Senior Member zac08's Avatar
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    Default Re: ISO

    Quote Originally Posted by weegk View Post
    What will happen for D300 and D90 to go below the base ISO of 200 ?
    as said : When you go below, you may lose out on contrast. Note that such ranges below the base ranges, the camera reduces the signals received by the camera sensor and thus this will cause loss of the dynamic range.
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  12. #32
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    Default Re: ISO

    Quote Originally Posted by zac08 View Post
    as said : When you go below, you may lose out on contrast. Note that such ranges below the base ranges, the camera reduces the signals received by the camera sensor and thus this will cause loss of the dynamic range.
    Ops . . . thanks alot for clarification.
    Shot more cos digital is FREE !!!

  13. #33
    Moderator daredevil123's Avatar
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    Default Re: ISO

    Quote Originally Posted by weegk View Post
    What will happen for D300 and D90 to go below the base ISO of 200 ?
    If you do that, you will actually lose details and dynamic range.

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