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raw converting to jpg

  • 28-06-2010 1:14am
    #1
    youllneverknow
    Registered Users, Registered Users 2 Posts: 417 ✭✭


    if i shot a photo in raw,then PPed it and it saved as .jpeg/.jpg. would it be the same as shooting .jpeg? or would it hold more detail then a jpeg shot photo?


Comments

  • #2
    Dublin_Gunner
    Registered Users, Registered Users 2 Posts: 7,692 ✭✭✭Dublin_Gunner


    youllneverknow wrote: »
    if i shot a photo in raw,then PPed it and it saved as .jpeg/.jpg. would it be the same as shooting .jpeg? or would it hold more detail then a jpeg shot photo?


    To most people, there will be no difference. (depending on how much post processing you do to the shot).

    Main reason for shooting in RAW would be post processing - there's a lot more colour information.

    High res jpegs look nearly the same as the RAW file, but as I said, when it comes to PP, there is quite the difference.

    Jpeg is Jpeg and is a compressed, lossy format. One jpeg doesn't hold any more pixel information that another.


  • #3
    Dimy
    Closed Accounts Posts: 709 ✭✭✭Dimy


    Basicly when you shoot in jpeg you let the software of your camera process the RAW data for you. You can have slight influence on that e.g. by adjusting the white balance setting on your camera (if available) but that's about it.

    Depending on your camera this can give quite acceptable results to most people. If you don't want to spend too much time processing pictures after a shoot just use jpeg, but with some practise and experience you'll get better results when shooting in RAW and process the pictures yourself.

    I've also heard rumours (dont shoot me for this) that the jpeg mode isn't very good in some higher end models, e.g. canon's 500/550D vs 50D where the jpeg from the entry level looks better than the same shot taken with the 50D.

    Your camera should also have an option to shoot in both raw and jpeg, try it and spot the differences (after you processed the RAW file, not just load the RAW).


  • #4
    Cameraman
    Registered Users, Registered Users 2 Posts: 479 ✭✭Cameraman


    youllneverknow wrote: »
    if i shot a photo in raw,then PPed it and it saved as .jpeg/.jpg. would it be the same as shooting .jpeg? or would it hold more detail then a jpeg shot photo?

    Basically - all digital cameras shoot in RAW only - so technically, there is no such thing as shooting JPEG (although it's understood to mean getting only the in-camera-processed JPEG).
    With some cameras you can get access to this RAW file directly, others only give you a processed JPEG, some give you both.
    The JPEGs produced from the camera are processed from this RAW file.
    So, you can always process a RAW file to give you the same as a JPEG produced by the camera. However, the reverse is not true.
    A RAW file will contain more information that a JPEG (which is only 8 bit - a RAW file will be 12 or 14 bit).

    If you process the RAW file externally, you can adjust it a lot more accurately than the in-camera processing. However, for some things, in-camera processing does just fine.


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