Digital BW, The Print

Best bet is to scan at the optical resolution..For example, the optical resolution on an Epson 3200 scanner is 1600 dpi..not 3200 dpi.  Also, you will need a big hard drive for storage and a lot of memory..i think the rule is 3 times the amount of memory than the actual size of the scanned file.
 
That way, you can print from the biggest size necessary and smaller with the same file.

Good luck!
Ross

William John Smith <william@...> wrote:
I just had two prints 22" x 32" printed out on a 7600 from  35 mm b&w 
negatives
at 360 dpi.   From a normal viewing distance they look as good as a 8.5 
x 11.
The file size was 87 meg.  Scanned at 4000 dpi.
A 36" image at 360 dpi would be around 110 meg.  I don't see a problem 
with
going that big if you are careful and using the right equipment, Leica 
glass in my case.

cheers,
William


On Aug 10, 2004, at 6:22 PM, 
DigitalBlackandWhiteThePrint@yahoogroups.com wrote:

> Date: Tue, 10 Aug 2004 16:37:07 -0700
>    From: Allan Chen <kaiyen@...>
> Subject: Re: Resolution requirements for _BIG_ prints
>
> Good point.  I should've been clearer.  Since this is a service we'll 
> be
> offering in our general technology/media library, rather than as part 
> of,
> say, the art school, we are trying to be realistic about the range of 
> input
> files we'll be seeing.  Yes, I'm sure we'll see at least some students
> bringing in scans of 4x5 negatives that will be more than enough 
> resolution
> for the printer.  But we'll also probably see some starting with medium
> format negatives and maybe even 35mm ones.
>
> Obviously the 35mm ones aren't going to get out to 36" at 360dpi, but 
> could
> almost get there at 180dpi (assuming 400dpi input files...which is 
> actually
> bigger than the ones we can get now with our current scanner).  The 
> medium
> format negative could get at least within shooting range.
>
> Our situation is such that, while it is not unreasonable to expect 
> most of
> our students to understand the need for resolution, the bottom line is 
> that
> we're not going to see a lot of LF negatives.
>
> anyway.  I'll do some testing with both my 35mm and MF scans.  Will see
> what happens...
> allan


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