[PRCo] slide scanning

[Dwight Long]

That was the situation with the slides I contributed to Ed Ridolph's two PRC 
books.  But they did a decent job of restoring the slides.

Dwight

-----Original Message----- 
From: trams2--- via Pittsburgh-railways
Sent: 20 June, 2015 20:15
To: Bob Rathke
Cc: Western PA Trolley discussion
Subject: Re: [PRCo] slide scanning

I thought Morning Sun insisted on scanning everything themselves or at their 
own vendor. My comments below were for black & white images. The best I can 
do for color slides is 4800 with my Microtek, but I typically still use the 
Nikon at 4000.

We've never allowed Morning Sun to use our material because they slice open 
the slide mount to remove the film for scanning, then reassemble as best 
they can, with non-archival tape covering the incision. Ed Miller did, and a 
number of the slides are a mess because of it.

Ed

----- Original Message -----

From: "Bob Rathke" <bobrathke at comcast.net>
To: trams2 at comcast.net, "Western PA Trolley discussion" 
<pittsburgh-railways at mailman.dementix.org>
Sent: Saturday, June 20, 2015 8:06:32 PM
Subject: Re: [PRCo] slide scanning

Good points, Ed, but some large rail book publishers like Morning Sun 
request (demand) high-res files even when the photo will appear on only half 
of a book page.
Bob

----- Original Message -----

From: "trams2--- via Pittsburgh-railways" 
<pittsburgh-railways at mailman.dementix.org>
To: "George W. Gula" <scranton-pa at comcast.net>, "Western PA Trolley 
discussion" <pittsburgh-railways at mailman.dementix.org>
Sent: Saturday, June 20, 2015 4:51:46 PM
Subject: Re: [PRCo] slide scanning


2400 ppi is largely overkill...these images are generally not masterpieces, 
and scanning times are long, while files are quite unwieldy. Resolution 
should be determined by size of original...I'm usually happy with 600 ppi 
for an 8 x 10, and 1200 for smaller sizes.

As for enlargements...the bigger the print size, the less resolution is an 
issue. The vinyl image of 1711 and 14 that hangs on the front of the visitor 
center was made from a 16 MB TIFF file from my very first digital camera. At 
that print size, the eye is doing much of the work rather than the 
photograph.

If I were in a different museum environment (art museum, for example), I 
would be more accepting of the larger scan resolutions, but for trolley work 
in general it eats up space and time.

Ed
----- Original Message ----- 

From: "George W. Gula via Pittsburgh-railways" 
<pittsburgh-railways at mailman.dementix.org>
To: "DF Cramer" <alto_trombone at hotmail.com>, "Western PA Trolley discussion" 
<pittsburgh-railways at mailman.dementix.org>
Sent: Saturday, June 20, 2015 3:48:41 PM
Subject: Re: [PRCo] slide scanning

Dennis

I scan at 4000 dpi in 8 bit color for color slides using a Nikon Scanner,
no longer available. File size is around 53MB. B&W prints are done at
16bit 1200 or 2400 dpi depending on photo size and detail. Large files for
sure ranging from 100 to 300 MB but I can zoom in and see lots of detail.
Scan images in original size as TIFF images. Hard drives are cheap.


George Gula

On 6/19/15 6:58 AM, "Pittsburgh-railways on behalf of DF Cramer via
Pittsburgh-railways" <pittsburgh-railways-bounces at mailman.dementix.org on
behalf of pittsburgh-railways at mailman.dementix.org> wrote:

>Thanks to all of you who responded to my slide scanning questions. I will
>continue to experiment and eventually post a link to my results. I
>purchased an Epson V550 scanner in March. My old scanner still works if I
>use the virtual XP machine on Windows 7, but it was only a document
>scanner.
>
>Dennis F. Cramer
>http://home.windstream.net/dfc1/
>
>> From: trams2 at comcast.net
>> To: alto_trombone at hotmail.com; pittsburgh-railways at mailman.dementix.org
>> Subject: RE: [PRCo] slide scanning
>> Date: Thu, 18 Jun 2015 20:01:39 -0400
>>
>> I scan slides at 4000 or 4800 ppi.
>>
>> -----Original Message----- 
>> From: Pittsburgh-railways
>> [mailto:pittsburgh-railways-bounces at mailman.dementix.org] On Behalf Of
>>DF
>> Cramer via Pittsburgh-railways
>> Sent: Wednesday, June 17, 2015 7:12 AM
>> To: PRCo
>> Subject: [PRCo] slide scanning
>>
>> Good morning,
>> It has been a while since any posts have appeared in my inbox from this
>> list, so I have a question to get some of you typing again. I bought an
>> Epson slide scanner and have been doing some experimenting with it. I
>> started at 600 dpi and was not happy with any of the darker images (I
>>had to
>> lighten them in Photoshop Elements and they became grainy) so I went to
>> 19000 and wow, what a difference. My question is, what dpi setting do
>>you
>> use?
>> I have considered using 19000 and then cutting the file size by 50%.
>> I am saving them in tiff format.
>>
>>
>> Dennis F. Cramer
>> http://home.windstream.net/dfc1/
>>
>>
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