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Thread: What happens when you shoot at a lower image size then the maximum of your camera?

  1. #1
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    Default What happens when you shoot at a lower image size then the maximum of your camera?

    What happens when you shoot at a lower image size then the maximum of your camera? For instance, on a 10MP cam, you shoot at a small setting, ie 2.5MP instead of the large setting of 10MP.

    Does the camera use a smaller part of the sensor or does the camera uses the entire sensor and somehow output the file to 2.5MP?

    I am just curious.

    If the camera uses a smaller part of the sensor, does it mean lower image quality.

    Anyone here know how it works?

    Thanks.

  2. #2

    Default Re: What happens when you shoot at a lower image size then the maximum of your camera

    the camera compresses the file to a smaller size if jpeg. if raw, then depends on the kind of camera u are using.

  3. #3

    Default Re: What happens when you shoot at a lower image size then the maximum of your camera

    If it uses a smaller part of the sensor, wouldn't it be cropped (or appear to have been zoomed-in)?

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    Moderator ortega's Avatar
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    Default Re: What happens when you shoot at a lower image size then the maximum of your camera

    the camera uses the full sensor but data is at a lower resolution

    why not do a test and post your results

  5. #5
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    Default Re: What happens when you shoot at a lower image size then the maximum of your camera

    Hey guy, that makes sense. The camera downsizes the image taken, and not use a smaller part of the sensor.

    I am curious to know if there is a image quality difference too whether the cam does it for us, or we do that later in PCs. If I ever find time to test it myself, it will be great.

    But if anyone here has the answers, I would love to hear!

  6. #6
    Senior Member madmartian's Avatar
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    Default Re: What happens when you shoot at a lower image size then the maximum of your camera

    Sensor is like a car, whether it ferries 4 persons or 1 person, its still the same car. So if you have a 4 seater car & you want to ferry yourself, do you use only 1 wheel to ferry yourself? So whether its low res or high res, its still the same whole sensor.
    Take the shot!

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