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Thread: Developing Photo Prints

  1. #1

    Default Developing Photo Prints

    Hi All,

    I'd like to know.. How's the effect like if I developed my shots (taken using a 2.1mp cammie) into 8R size? Would the picture be sharp or pixelated? My shots were taken at a resolution level of 640 x 480.

  2. #2

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    Quote Originally Posted by qristeele
    Hi All,

    I'd like to know.. How's the effect like if I developed my shots (taken using a 2.1mp cammie) into 8R size? Would the picture be sharp or pixelated? My shots were taken at a resolution level of 640 x 480.
    wow... so low res? 2.1 MP should have a res of 1200x1000+ resolution...
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  3. #3

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    Quote Originally Posted by SianZronG
    wow... so low res? 2.1 MP should have a res of 1200x1000+ resolution...
    i do have resolutions at 640x480, 800X600 and 1600x1200 pixels..

    but the shots that i took were set at 640x480 pixels. will the pics be clear if i develop them into 8R size?

  4. #4
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    Quote Originally Posted by qristeele
    i do have resolutions at 640x480, 800X600 and 1600x1200 pixels..

    but the shots that i took were set at 640x480 pixels. will the pics be clear if i develop them into 8R size?
    When you set the pictures at 640x480 pixels, the picture is only at 0.3 megapixel. Cos 640x480= 307200 pixels =0.307200 megapixels.

    When you send the pictures to the printers for printing, the printing machine prints at 300 dpi. Meaning for a 8R photo, to have it at best quality, you need
    a picture of (300x10)x(300x8)= 7200000 pixels or 7.2megapixels.

    But since picture quality is still okay when the picture is printed at around 150 dpi, the lowest amount of pixels you need is around (150x10)x(150x8)= 1.8 megapixels.

  5. #5

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    Quote Originally Posted by Prismatic
    When you set the pictures at 640x480 pixels, the picture is only at 0.3 megapixel. Cos 640x480= 307200 pixels =0.307200 megapixels.

    -snipped-

    But since picture quality is still okay when the picture is printed at around 150 dpi, the lowest amount of pixels you need is around (150x10)x(150x8)= 1.8 megapixels.
    Do u mean to say that the min i need for developing pics at 8R size is 1.8mp and my pic was only taken at 0.3mp - thus it means dat if i were to develop my shots in 8R, it would be pixelated?

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    you are refering to printing.... developing is the processing of exposed FILM

    and yes, there has to be enough pixels to print a huge blow up. if there are not enough pixels, the pixels will be large and that gives the "pixelated" look... you can interpolate using photoshop or other specialised interpolation software such as genuine fractals. these increase the pixel count of your picture to a certain extent such that bigger prints may be made... but this is software dependent and results may differ... nothing beats straight out of the camera or straight out of the scanner resolution...

    thats why we use medium format cameras and high megapixel digital cameras... more grain and more pixels means the ability to print bigger without these software techniques which sometimes do not do a good job.
    Last edited by showtime; 22nd December 2003 at 10:56 AM.

  7. #7
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    Quote Originally Posted by SianZronG
    wow... so low res? 2.1 MP should have a res of 1200x1000+ resolution...
    a 2.1MP camera means that the MAXIMUM resolution is 2.1MP about 1600 x 1200... but of course there are other lower setting.

  8. #8
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    Quote Originally Posted by qristeele
    Do u mean to say that the min i need for developing pics at 8R size is 1.8mp and my pic was only taken at 0.3mp - thus it means dat if i were to develop my shots in 8R, it would be pixelated?
    Yes it will be very pixelated. So don't go and develop it to 8R. You need to set it to the highest setting in your digtial camera before it can developed at 8R.

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