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1200 DPI???

Forum Digital Camera : Digital Camera General - 1200 DPI???

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Archived from groups: rec.photo.digital (More info?)

Hello,

My mother just bought a Epson Stylus RX500 scanner/printer. She wants to
scan some old family photos for various purposes, some to just have backed
up on the computer, others to print on the printer, others to print online
(futurephoto.ca, photolab.ca, etc. ) Anyways she asked the photo reps at
Futureshop and London Drugs what DPI she should scan these photos at. They
both told her 1200. This seems ridiculous because a 24bit 8X10 ends up being
close to 500mb. Not to mention it would take an eternity to upload in order
to be printed by an online service. So my question is what DPI should these
photos be saved at so they can still make high quality reprints and
hopefully not take half a gigabyte of harddrive space?

Thanks.

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Archived from groups: rec.photo.digital (More info?)

Capt. Canuck wrote:

> ...Anyways she asked the photo reps at
> Futureshop and London Drugs what DPI she should scan these photos at. They
> both told her 1200. This seems ridiculous because a 24bit 8X10 ends up being
> close to 500mb.

Yes that's definitely overkill. 300dpi is about all anyone can print,
you might go a bit bigger then resize down to 300 after cleanup &
adjustments to be cautious. Then sharpen a bit if no paper texture or
grain. But if the prints are not super quality 300 dpi might even be
overkill. People do scan negatives above 300dpi (output size) for super
picky galler quality prints.

--
Paul Furman
http://www.edgehill.net/1
san francisco native plants

Reply to Anonymous

Archived from groups: rec.photo.digital (More info?)

Capt. Canuck <x@x.x> wrote:
>Hello,

> My mother just bought a Epson Stylus RX500 scanner/printer. She wants to
>scan some old family photos for various purposes, some to just have backed
>up on the computer, others to print on the printer, others to print online
>(futurephoto.ca, photolab.ca, etc. ) Anyways she asked the photo reps at
>Futureshop and London Drugs what DPI she should scan these photos at. They
>both told her 1200. This seems ridiculous because a 24bit 8X10 ends up being
>close to 500mb. Not to mention it would take an eternity to upload in order
>to be printed by an online service. So my question is what DPI should these
>photos be saved at so they can still make high quality reprints and
>hopefully not take half a gigabyte of harddrive space?

asfaik, prints are at 300 dpi, so 600 dpi maybe is sufficient. Also send the
files as Jpeg which will reduce size considerbly.

the reasone to have more dpi than you will "use" is to rid of blurry/noisy
source. Or to lessen scaleing artifacts.

Reply to Anonymous

Archived from groups: rec.photo.digital (More info?)

"Capt. Canuck" <x@x.x> wrote in message
news:kK5me.30205$tt5.25304@edtnps90...
> Hello,
>
> My mother just bought a Epson Stylus RX500 scanner/printer.
SNIP
> Anyways she asked the photo reps at Futureshop and London
> Drugs what DPI she should scan these photos at. They both
> told her 1200. This seems ridiculous because a 24bit 8X10 ends up
> being
> close to 500mb.

It all depends on the amount of detail there is in the originals. If
there is little detail, one can get by with saving at lower scanning
PPI settings, although there are benefits to scanning at the scanner's
native sensor resolution (and down-sample if possible, if lack of
detail allows).

Bart

Reply to Anonymous

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