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mdholland

Phoenix, US
178 posts

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mdholland Silver Member Nikonian since 24th Feb 2008
Sun 24-Feb-08 02:17 AM

I have a cropped image of my son playing lacrosse and would like to make it into a poster. The websites that upload images and create posters state that my image is too small, being less than one kilobyte. Is there anyway that I can create a poster from a cropped image?

mtpenmaker

Billings, US
1840 posts

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#1. "RE: Cannot Make a Poster" | In response to Reply # 0

mtpenmaker Registered since 23rd Aug 2007
Sun 24-Feb-08 03:42 AM

Are you sure the file is less than 1 Kb? That's almost microscopic. What was the size of the original file before cropping or any other post processing?


Gerry Rhoades
Montana Pens
www.montanapens.com
F4, D40, N90s and some glass

MotoMannequin

Livermore, CA, US
8582 posts

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#2. "RE: Cannot Make a Poster" | In response to Reply # 1

MotoMannequin Awarded for his extraordinary skills in landscape and wildlife photography Registered since 11th Jan 2006
Sun 24-Feb-08 04:55 AM | edited Sun 24-Feb-08 04:58 AM by MotoMannequin

>Are you sure the file is less than 1 Kb? That's almost
>microscopic.

+1

Image posting size restriction on Nikonians is 150K and you wouldn't be able to make a poster out of that either. I think the smileys here are >1K

If you're into reading, you can start to research upsizing your pictures here:
http://www.ronbigelow.com/articles/interpolation/interpolation.htm

Even if the 1K is a mistake, it's unlikely you'll get a poster size print from a cropped image. You'll need to get closer and/or use a longer lens.

Larry - a Bay Area Nikonian
My Nikonians gallery

www.tempered-light.com

mdholland

Phoenix, US
178 posts

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#3. "RE: Cannot Make a Poster" | In response to Reply # 2

mdholland Silver Member Nikonian since 24th Feb 2008
Sun 24-Feb-08 10:01 PM

Thank you all very much. Your comments are very helpful.

blw

Richmond, US
27457 posts

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#4. "RE: Cannot Make a Poster" | In response to Reply # 0

blw Moderator Awarded for his high level of expertise in various areas Nikonian since 18th Jun 2004
Mon 25-Feb-08 03:46 AM

You can create a poster (ie a large print) from a cropped image, but there are definitely limits. For example, I was quite surprised to discover that I could make a quality 16x20 from a slightly cropped D2h (4mp) image. So far nobody has even looked twice. I was also surprised to make a decent+ 13x19 print from a 2.8mp crop of a D2h image. However, if you really do have a 1KB crop, that's incredibly small.

In fact, 1KB is so small that I suspect that you didn't actually submit the file itself, but more likely you only got the name of the file submitted! A 1KB TIFF file would be only a total of 300 pixels, or about 10x30. A JPEG is much more dense, but for the sake of argument, it's still going to be less than 50x30. For reference, the Nikonians logo in the upper left of this page is 243x100 and almost 8KB, and the D40 produces a native image 3000x2000 or thereabouts.

How big is your image?

_____
Brian... a bicoastal Nikonian and Team Member

My gallery is online. Comments and critique welcomed any time!

blw

Richmond, US
27457 posts

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#5. "RE: Cannot Make a Poster" | In response to Reply # 2

blw Moderator Awarded for his high level of expertise in various areas Nikonian since 18th Jun 2004
Mon 25-Feb-08 03:47 AM

Larry, your smiley is only 166 bytes (And there's almost a half a KB worth of them!)

_____
Brian... a bicoastal Nikonian and Team Member

My gallery is online. Comments and critique welcomed any time!

MotoMannequin

Livermore, CA, US
8582 posts

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#6. "RE: Cannot Make a Poster" | In response to Reply # 5

MotoMannequin Awarded for his extraordinary skills in landscape and wildlife photography Registered since 11th Jan 2006
Mon 25-Feb-08 05:15 AM | edited Mon 25-Feb-08 05:16 AM by MotoMannequin

>Larry, your smiley is only 166 bytes (And there's
>almost a half a KB worth of them!)

LOL I know I put the smiley in the post just to make it easy to check the size. When I saw how badly I miscalculated I decided to leave the post as is because for some reason the idea of printing a poster-sized smiley appealed to me

I've printed a D50 image (6.1MP) at 44"x32" on canvas which slightly gives it the look of a painting and helps hide the resolution limitation. The only crop was to that aspect ratio and a few inches on each side to wrap the canvas. From a foot away it's not great but at its intended viewing distance (4'-8') it's fantastic.

Larry - a Bay Area Nikonian
My Nikonians gallery

www.tempered-light.com

mdholland

Phoenix, US
178 posts

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#7. "RE: Cannot Make a Poster" | In response to Reply # 4

mdholland Silver Member Nikonian since 24th Feb 2008
Mon 25-Feb-08 08:36 PM

The width is 638 pixels, height is 998 pixels, resolution is 300 ppi.

blw

Richmond, US
27457 posts

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#8. "RE: Cannot Make a Poster" | In response to Reply # 7

blw Moderator Awarded for his high level of expertise in various areas Nikonian since 18th Jun 2004
Mon 25-Feb-08 11:49 PM

Therefore you have about a 0.6mp image, which is about a 1.8MB TIFF file, or something approaching 400K in JPEG. This tells us several things:

- you didn't get the real file uploaded, else it wouldn't have said <1KB.
- it really isn't that big, but with judicious upsizing in Photoshop or similar, you can probably make a decent 8x10, but quite likely you will be disappointed with a print much larger than that.
- If this is a common situation, you probably need a longer lens.

_____
Brian... a bicoastal Nikonian and Team Member

My gallery is online. Comments and critique welcomed any time!

G