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    What is ISO: camera sensitivity settings (and the best ways to use them)

    | Photography for Beginners | 19/02/2014 00:01am
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    See the difference in high vs low ISO settings

    Higher ISO settings will let you use faster shutter speeds, but at a price

    See the difference in high vs low ISO settings

    ISO200, 1/4 sec
    This gives the best quality because the camera is working at its minimum ISO setting, but the shutter speed is so slow that it will almost certainly cause camera shake if you attempt to shoot with the camera handheld.

    ISO800, 1/15 sec
    ISO800 used to be considered very ‘fast’, but today’s DSLRs produce good quality even at this setting. You will notice more noise, but the shutter speed is 1/15 sec, which is still marginal but more likely to give a sharp picture.

    ISO3200, 1/60 sec
    Increasing the ISO to 3200 gives much more noise, but it’s still not too obtrusive at normal viewing distances and it allows a shutter speed that should eliminate any camera shake, especially if your lens has VR built in.

    ISO12800, 1/250 sec
    At this ISO setting, the picture quality is relatively poor, so you probably want to avoid setting the ISO this high if you possibly can – but it does allow a shutter speed of 1/250 sec, which would freeze most moving subjects.

    SEE MORE: Histograms – photography cheat sheets for achieving perfect exposure

    How much noise is too much?

    How much noise is too much?

    It’s easy to zoom in on an image on the computer at 100% magnification and see every dot and speckle of noise. But don’t forget that this is a very high level of magnification, especially if you’re using a camera with a larger, higher-resolution sensor.

    The danger is that you can end up paying far too much attention to areas that are too small to see at normal viewing sizes and distances.

    PAGE 1: What is ISO?
    PAGE 2: See the difference in high vs low ISO settings
    PAGE 3: Easy ways to keep the noise down at higher ISO settings
    PAGE 4: When to change the ISO

    READ MORE

    Night photography: how to set up your camera to shoot anything
    Black and white photography: what you need to know for perfect mono pictures
    Master your camera’s autofocus: which AF points to use (and when to use them)
    What camera should I buy: pros and cons of each camera type


    Posted on Wednesday, February 19th, 2014 at 12:01 am under Photography for Beginners.

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