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Thread: What's the best resolutions to print 8R pictures?

  1. #1

    Question What's the best resolutions to print 8R pictures?

    Rushing for Fotohub's promotion for buy 1 get 1 free 8R promotion.

    They suggested 1600x1200. Would a higher resolution picture better or worse? Since it will be shrinked?

    The biggest digital copy I have on hand is 2464x1646. I heard for real 300dpi, we need 3600x2400?

    Please advice!
    Last edited by VKMobile; 30th August 2006 at 08:55 AM.

  2. #2

    Default Re: What's the best resolutions to print 8R pictures?

    8R is 8x10 and not 8x12 so a 300DPI prints would mean it needs 2400x3000. Generally 200 or 250 DPI for such a large size would suffice. so 2400x2000 would be adequete as well.
    Furry Photos - Photography for the Modern Pet

  3. #3

    Default Re: What's the best resolutions to print 8R pictures?

    i thought 4R is 4"x6" so 8R is 8"x12"? how come it's 8"x10" like that wouldn't my picture become weird? either some part will be cropped or it's being stretched? I thought the ratio is 3:2 ?

    I'm very confused now.

    by right, can our eyes differentiate 300dpi, 250dpi, 200dpi, 150dpi and 96dpi?

    How come printing house like fotohub suggest 1600x1200 for 8R? isn't it 150dpi for the 8" and 133.3dpi for the 12"?
    Last edited by VKMobile; 30th August 2006 at 02:20 PM.

  4. #4

    Default Re: What's the best resolutions to print 8R pictures?

    sorry, just found the correct size for 8R from http://en.wikipedia.org/wiki/Photographic_printing

    yes, you're right, the size is 8"x10".

    If that's the case, how do the printer do with the photo? stretch it or crop it?

    another quesiton is, how come the one with white border cost more?
    Last edited by VKMobile; 30th August 2006 at 02:51 PM.

  5. #5

    Default Re: What's the best resolutions to print 8R pictures?

    Normally you would crop the photo to fit the 8x10 or give instructions to the printer as to what to do (stretch to fit/shrink to fit/crop) . Some labs chare extra for white borders but some do not. Look around the consumers corner for a few reputable print shops
    Furry Photos - Photography for the Modern Pet

  6. #6
    Moderator ortega's Avatar
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    Default Re: What's the best resolutions to print 8R pictures?

    crop and add the white border yourself - FOC

  7. #7

    Default Re: What's the best resolutions to print 8R pictures?

    Quote Originally Posted by ortega
    crop and add the white border yourself - FOC
    it's not FOC, it cost more on my time!

    going to use Fotohub, are they considered reputable ones? self collect or get them to deliver better?

  8. #8

    Default Re: What's the best resolutions to print 8R pictures?

    I prefer self-collect as you can demand re-prints if you find defects (rarely but it happened that one of my prints got jammed in the machine and the colours came out too warm...)
    Furry Photos - Photography for the Modern Pet

  9. #9

    Default Re: What's the best resolutions to print 8R pictures?

    sorry to post this silly question as it's my first time to print with fotohub.

    they actually place 2 dimention in their 8R and 4R options. For example, under 8R, there are 8"x10" and 8"x12". however, we can't choose the size. Would they print accordingly? I thought 8"x12" is S8R?

  10. #10

    Default Re: What's the best resolutions to print 8R pictures?

    Quote Originally Posted by raptor84
    8R is 8x10 and not 8x12 so a 300DPI prints would mean it needs 2400x3000. Generally 200 or 250 DPI for such a large size would suffice. so 2400x2000 would be adequete as well.
    i just called the bukit timah branch of fotohub. The girl told me the 8R(8"x10") and S8R (8"x12") is charging at the same price. If my photo is 3x2 ratio (2464x1646), as long as I print in full image, the machine will automatically pick up S8R paper to print! Wow! Something interesting i learned today!

  11. #11

    Default Re: What's the best resolutions to print 8R pictures?

    Generally 5MP is more than enough for an A4 print. But other equally important consideration might be the optics quality, ISO setting and shutter speed. Some camera stretched to extreme optics might exhibit unfavourable resolution and distortion. Enlargement only can make the picture looks worst even with 8-10MP. Futhermore noise attributed at higher ISO is often unfavourable for large print. And camera shake from slow shutter progressively show up as print get bigger which no megapixel can help.

  12. #12
    Senior Member jOhO's Avatar
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    Default Re: What's the best resolutions to print 8R pictures?

    for the unitiated, you can send any resolution to any printer and they can print it to any size for you, whether u want it stretched, or cropped, or leave white portions of unprinted paper.

    as a general guideline, or at least this is what i do, i send everything for print at 300dpi in jpg. this is for photographs/collages. for offset prints (which i don't do anymore) i usually send thru a pathed freehand file, which is "resolution-less" (can print at any resolution without losing quality). but this doesn't work for pixel graphics (eg, photos, these will be embedded or linked in the document).

    so, if you want to print S8R, size your image to 2400x3600 pixels, whether u wanna crop, stretch up to you.

    to ans your question on whether the eye can see a diff, well my eye can't see the diff between 150dpi and 300 dpi. if you are really worried, just send thru a test pattern or something like that at different dpi, and see if u can tell the difference from the prints. bear in mind tho that test patterns are not real world examples, more of a technical test.

    all said, 150dpi would be the lowest i'd go for photographic prints. (image quality like noise, sharpness and contrast would make a difference to apparent "resolution" but that's another story altogether)

  13. #13
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    Default Re: What's the best resolutions to print 8R pictures?

    here's a link to different resolutions for different print sizes

    LINK

  14. #14
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    Default Re: What's the best resolutions to print 8R pictures?

    Quote Originally Posted by kairospix View Post
    here's a link to different resolutions for different print sizes

    LINK
    two years too late, bro

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