[PRCo] slide scanning

James Keener jimktrains at gmail.com
Sat Jun 20 20:09:15 EDT 2015 

If someone knew where to get a relatively small grant I would love to help with the storage space problems and do some scanning myself as I'll be (unfortunately) getting a car in a few weeks.

Jim

On June 20, 2015 8:06:32 PM EDT, Bob Rathke via Pittsburgh-railways <pittsburgh-railways at mailman.dementix.org> wrote:
>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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