> From: Matthew Wensing <wensing@sbcglobal.net>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Thu, 2 Dec 2004 09:12:10 -0800 (PST)
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: Re: [Digital BW] Computing power
>
>
> Ah. Thanks.
>
> I really do need to do more reading to really get a
> grasp on dpi in relation to ppi in relation to pixels
> etc. I have done so once before (but never really
> understood it thoroughly), but now that I have the
> scanner I plan to go back to it again.
>
> So you're saying that 4800 isn't really giving you
> more detail than 1200 for say an 8x10 print? (Not to
> ask a dumb question or start a war here...).
>
> If anyone has any recommended articles for figuring
> these things out, I'm all ears.
>
> Matt
>
> --- "B. Campbell" <bellis60@...> wrote:
>
>
> ---------------------------------
> I asked because I thought you might have a good reason
> for scanning 4x5
> negatives at that high a ppi such as a need for really
> large prints. But if
> your prints are in the 16x20 range or less you should
> be able to scan at
> something like 1200 ppi range and greatly reduce your
> file size, which
> should speed things up without affecting the quality
> of the print.
>
> ----- Original Message -----
> From: "Matthew Wensing" <wensing@...>
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Sent: Thursday, December 02, 2004 8:32 AM
> Subject: Re: [Digital BW] Computing power
>
>
>>
>> Because I'm the new guy that just got his Epson 4870
>> but hasn't yet done enough reading to really know
> what
>> he does and doesn't need out of it. :)
>>
>> Matt
>>
>> --- "B. Campbell" <bellis60@...> wrote:
>>
>>
>> ---------------------------------
>>> I scan in 4x5 negatives at 4800 dpi, 16-bit
>> grayscale,
>>
>> Why?
>>
>> ----- Original Message -----
>> From: "Anthony G. Atkielski" <anthony@...>
>> To: "Matthew Wensing"
>> <DigitalBlackandWhiteThePrint@yahoogroups.com>
>> Sent: Thursday, December 02, 2004 12:00 AM
>> Subject: Re: [Digital BW] Computing power
>>
>>
>>
>> Matthew Wensing writes:
>>
>>> I scan in 4x5 negatives at 4800 dpi, 16-bit
>> grayscale,
>>> and am having a tough (read: slow) time of it with
>>> Photoshop 6.0 with the resulting files. Actually,
> I
>>> can't even work with the 50-90 mg .jpeg's, but
>> instead
>>> downsize to roughly 12 megapixels and then
>>> dodge/burn/tweak those. Does anyone here work
> with
>>> digital files around 50-90 megs in Photoshop that
> is
>>> happy with the quickness of their setup in doing
> so?
>>> Right now, with the machine I have, manipulating
>> such
>>> files is impossible.
>>
>> Buy more memory.
>>
>>> My machine is an Athlon XP 1.46 Ghz with 1 gig of
>> DDR
>>> RAM. Two possible bottlenecks from what I know
> are
>>> memory bus speed (333 Mhz with my current
>> motherboard)
>>> and also the version of PS I'm using. CS might be
>>> faster from the get-go?
>>
>> Install the maximum amount of memory your
> motherboard
>> will support; that
>> should help considerably. Memory is the biggest
>> bottleneck with any
>> version of Photoshop. A single gigabyte isn't very
>> much for image
>> editing, at least not for large film formats.
>>
>>
>>
>>
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>> =====
>> E-mail: wensing@...
>> Blog: <http://seaofglass.blogspot.com>
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> =====
> E-mail: wensing@sbcglobal.net
> Blog: <http://seaofglass.blogspot.com>
> Photography: <http://www.wensing-photo.com>
>
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> Please visit the Group Homepage to check the Files, and other resources as
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