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[OM] Re: Huge print + E-500

Subject: [OM] Re: Huge print + E-500
From: "Geilfuss Charles" <Charles.Geilfuss@xxxxxxxxxxxxxxxxx>
Date: Fri, 24 Aug 2007 14:20:05 -0500
Rickard,
        I have no personal experience with this but found this posting
on Luminous Landscape discussion board...

        "Billboard repro dpi is quite low and ranges from as low as 16
dpi up to 72 dpi but usually less than 30 dpi. There are lots of clients
out there that think they need giant sized files to meet the demands of
a billboard. I've recently been shooting a series of multi use images
that have been used in a series of full size billboard placements (20' x
40'-50'). I've been providing 100 meg files from medium format scans,
for all uses (magazine ads, posters, billboards, coffee mugs and toliet
seat covers). With some good uprezzing and sharpening they have
reproduced beautifully for the largest of uses...20 x 50 feet-ish.

I have friend who had an image purchased...shot with a canon 20d. The
file was used for a highway billboard and he said it looked fine. It
also depends on whether or not the image is going to occupy the entire
dimension of the board.

The file size for a billboard is much less important because you have to
factor in viewing distance and viewing time...5 to 8 seconds).

Are the billboards you are shooting for of the roadside variety? huge
and not approachable, designed to be driven past at automobile speeds?
no biggy

If they are approachable and smaller such as kiosk or bus shelter
types...then you have to provide some pretty good res. 260 dpi on up at
final dimensions... Those are the ones you have to worry about because
people are standing around, looking at them and drawing mustaches and
blacking out the teeth on them and such."

Hope that helps.

Charlie

-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On
Behalf Of Rickard Nilsson
Sent: Friday, August 24, 2007 1:04 PM
To: olympus@xxxxxxxxxx
Subject: [OM] Huge print + E-500


Hi,

I have been asked to urgently help out by
photographing a flower that should be printed
in about 3x3 meters and used in a company's
exposition. That's about all information I
have for the moment, I have no idea of what
type of paper or canvas that will be used.

Is it just plain stupid to try to do this with
the E-500, or could the result be acceptable?
I read somewhere that 23 ppi should be an
appropriate resolution for such big images.
If so, I guess 8 megapixel could be just about
enough. Is that number completely off?

Any other quick tips about this sort of assigment?
I realise I'm not really the right man for the
job, but I thought I could give it a try.

  / Rickard

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