Poster size photos

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  • Poster size photos
  • tinribz
    Member

    What’s the max size you can blow up compact camera pics to put on the wall with them still looking decent. Camera is LX3, 10Mp I believe, thinking landscapes. Anyone tried it?

    tinribz
    Member

    OK Tin this what u do, find out the number of pixels your camera produces and calulate the size for say 300 pixels per inch;

    Pixels DPI Size inches
    3968 300 13.22666667
    2232 300 7.44

    Now do it in reverse with the size you want;

    Size DPI Pixels
    40 99.2 3968
    22.49 99.2 2232

    Now you can print out a sample at home at the above resolution to see what it will look like.

    Thinking about resolution purely, for decent print quality it’s wise to stick to 300dpi, maybe 240. We used to aim for 300 for our print work, and accepted a minimum of 240 if we had to

    10MP = about 3648px wide x 2736px high (assuming ‘normal’ aspect ratios)

    3648px /300dpi =12.16″
    2736px /300dpi = 9.12″

    3648px /240dpi = 15.2″
    2736px /240dpi = 11.4″

    So, 12 x 9″ would be fine, 15 x 11″ would be about passable, anything larger than that may end up looking jagged. Of course, careful use of Photoshop or similar can give you a tiny bit more leeway.

    Edit: Are you talking to yourself up there?

    Premier Icon petey_pants
    Subscriber

    If its gong to be a poster on the wall, it’s unlikely that it will be viewed from less than a few feet so I’d go down to 150ppi

    That’s true – I hadn’t thought about that…

    tinribz
    Member

    Edit: Are you talking to yourself up there?

    Indeed, I got impatient and started gogglin.

    Reckon I’ll get out the tripod and try streching it to 150 then.

    Premier Icon petey_pants
    Subscriber

    Back in the day, I used the ‘Top Spec’ 2mp camera for A3 wall prints. Looked ok, as long as you weren’t too close to it.

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