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HelicopterAerial Photography and Video › Print sizing question
08-08-2007 06:23 PM  10 years agoPost 1
aambrose

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Pana, IL

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I know a lot of this is subjective and would vary from one person to the next, but what's the minimum resolution (length x width) @ 300dpi to get a clear 8-1/2 x 11 print?

Would you simply multiply the desired output times the dpi resulting in an image 2550 x 3300, or can you get away with a smaller image enlarged to 8-1/2 x 11? I'm guessing the latter because you can get prints much larger than 8-1/2 x 11 from 2550 x 3300 and they still look nice.

Basically I want to know what the smallest resolution (l x w @ 300dpi) is to get a good quality 8-1/2 x 11 print (without experimenting ). We don't typically hand over full-res images to clients but a particular client wants images large enough to print a nice 8-1/2 x 11. I'll be doing some research on this but wanted to hear your opinions too since aerials are a more specific photographic category.

Thanks!


Tony

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08-08-2007 06:57 PM  10 years agoPost 2
aambrose

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08-08-2007 07:30 PM  10 years agoPost 3
Wa11banger

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Huntsville, Al

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Good info Tony thanks for doing the homework to find it..

We use a 10.3Mp camera. and have clear vivid results all the way to 30x20 but that is getting really close to the min PPI acceptable by us of 100.. Our prints are usually 18x12 or 8x10 they come out fantastic almost sureal. Photoshop does the math for us.

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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08-08-2007 08:10 PM  10 years agoPost 4
aambrose

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Rick,
No problem. We shoot at 10.1 (3888 x 2592 pixels) and have printed 30"x20" (130 dpi?) with really nice results. Using this as an example, one would think you would get similar results printing an 11" x 8.5" at 130 dpi from an image approximately 1430 x 1105, right? The client wants 300 dpi though. Giving them images 3300 x 2550 @ 300 ppi would allow them to print even larger than 11 x 8.5 since 200 dpi is acceptable for print, right?

Thanks!


Tony

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08-08-2007 09:23 PM  10 years agoPost 5
Wa11banger

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completely accurate in your thought, if you give them a 300ish dpi 8x11 image they will be able to take that to 30x20 and print at that size without any problems.. If you gave them a 8x11 image at say 120dpi they would be able to blow it up a little but not much.. I think what they want from you is the full sized image. So they can go get them printed. Just my opinion unless I have totally misunderstood what they are requesting (which can happen the grey matter is dying faster these days)

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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08-08-2007 10:39 PM  10 years agoPost 6
Ben H

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If you use photoshop you can resize the image at whatever size you want and at however many DPI you choose, the software interpolates between the surrounding pixels to create new ones using various methods.

This will only work upto a certain size, depending on the complexity of the image. The trick is not to take too much of a "bite" at a time, rather to resize the image in several smaller increases.

Hope this helps

Ben.... "what goes up, must come down!"

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08-08-2007 10:46 PM  10 years agoPost 7
nooobs

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...

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08-09-2007 03:56 AM  10 years agoPost 8
Envision

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I use Genuine Fractals. I have had much lower resolution prints enlarged to 300dpi at 48"x 60" and printed on vinyl as a sticker with unbelievable results.

Troy

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08-09-2007 11:02 AM  10 years agoPost 9
aambrose

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Pana, IL

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Thanks for the comments guys. Since the client requested 300 dpi, then I guess that's what I will work with.
I think what they want from you is the full sized image. So they can go get them printed.
Rick, I think you're absolutely correct.

I've heard of the small increment resizing method but didnt know how much truth was behind it. Does this apply only when "upsizing"?

All good comments.
Thanks again!


Tony

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