Will 10mp print 20x30?

Discussion in 'Photography Beginners' Forum' started by TheMikeGuy, Jun 26, 2010.

  1. TheMikeGuy

    TheMikeGuy TPF Noob!

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    I use a 10 megapixel Sony Alpha a230 and I am trying to find the largest size print I can make for a picture I had taken. Without distorting the image quality, do you think a print size of 20x30 will work well with a 10 megapixel SLR?
     
  2. Big

    Big TPF Noob!

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    Don't see why not. I don't have the specs that some could probably give you but 10mp isn't all that bad. I wouldn't think a 3mp could do it... ya know?
     
  3. Derrel

    Derrel Mr. Rain Cloud

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    It will if you use good shot discipline. You can't approach the shots willy-nilly. You need good focus, camera support, and good processing of the image. A decent lens used at a good aperture is also helpful. If you use good shot discipline, you'll be fine. If you shoot one-handed, hanging off the side of a moving boxcar using a cheap kit zoom at 18mm at f/3.5 at 1/45 second, your images might not look so hot. Make sense?
     
  4. BuS_RiDeR

    BuS_RiDeR No longer a newbie, moving up!

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    This is pretty accurate...

    [​IMG]
     
  5. Phranquey

    Phranquey TPF Noob!

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    Understand that you are going to be printing at roughly 130dpi, where optimum is considered 300dpi.... which means that if you stick your nose right up to the photo, you are likely to see some pixelation. If viewed from a proper distance, say farther than 4' away, it will disappear and look like a normal photo.

    As Derrel stated, the better you can make your photo to begin with, the better the larger prints will look.
     
  6. LarryD

    LarryD TPF Noob!

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    Most high quality digital print machines today will fill in color and gaps, so you should easily be able to get a decent 20x30 from a quality 10mp camera with a reasonable sized sensor..

    I have a couple on my walls from back when DSLR's had a maximum of only 6mp..
     
  7. rufus5150

    rufus5150 TPF Noob!

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    10mp will do 20x30 just fine. I've dozens from my XTi. If you want some extra insurance, you can get something like genuine fractals which does a pretty amazing job upsizing images.
     
  8. DaevidClarke

    DaevidClarke TPF Noob!

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    use my d80 (10.2mp). i print large all the time. never had a problem.
     
  9. KmH

    KmH Helping photographers learn to fish Supporting Member

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    A couple of points:
    • DPI (Dots-Per-Inch) is meaningless for digital photographs. It's PPI (Pixels-Per-Inch). DPI is only valid when discusing printer resolution. DPI and PPI are not the same thing. It can take as many as 8 dots to render a single pixel.
    • 300 ppi has become an arbitrary number that in the early days of digital was used to compare the quality of a print made from a digital image, to a print from a specific ASA value of print film.
    • Like Derrel mentioned, it really depends on the image, but most will be fine at substantially less than 300 ppi.
    • Most consumer print labs have printers that have a max resolution of 250 ppi.
      As an example the consumer print lab www.mpix.com stakes their very good reputation on a minimum required ppi of 100.
    • How to prepare your images. Mpix.com - Help
     
  10. Forest Power Ranger

    Forest Power Ranger TPF Noob!

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    Any thing 6/8mp and over can print real big. Look at it this way, the bigger the print, the farther away you'll stand to look at it. When you stand back you aren't going to notice the pixels. It will print it just fine.

    You don't stand 1 foot from a billboard to look at it.
     

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