Micro Fiche Library.

Rod Smallwood rodsmallwood52 at btinternet.com
Wed Oct 5 06:22:23 CDT 2016

On 05/10/2016 09:13, Eric Smith wrote:
> On Tue, Oct 4, 2016 at 11:48 PM, Rod Smallwood
> <rodsmallwood52 at btinternet.com> wrote:
>> Epson Perfection V800 Photo A4 Flatbed Scanner
>>   * Dual Lens System - swaps between 6400dpi (for slides and film) and
>>     4800dpi (for photos)
>> Suitable for DEC 52x Fiche Scanning ?
> If you wanted to scan 52x fiche at an effective resolution of 200dpi
> ("fine" fax quality, which isn't actually "fine" IMHO), you need 10400
> dpi.  6400 dpi gets you effective 123 dpi, which might not be
> completely useless, but certainly wouldn't be very good.

Ah.. Good some numbers to work to.

It helps identify two methods:
                         Scan fiche as is:
                         Magnify and photograph.

In fact modern cameras are like a hi res TV system.


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