"George M. Anderson" <george@xxxxxxxxxxxxxxxxxx> moved upon the face of the
'Net and spake thusly:
>
> Pixels per inch is like film grain and again the bigger the number the
> better. If you want to get a large (16x20 or better?) print from your
> slide, you need the highest ppi you can get. To put things in
> perspective though, if Kodachrome 25 resolves 100 lpmillimeter and your
> lens can too, that's 25,400 ppi. So at 4000, you still aren't seeing
> everything the film has to offer.
100 lines per millimetre is 200 pixels per millimetre.
200px times 25.4mm is 5080 ppi.
cjb.
--
| Christopher Biggs email:chris@xxxxxxxxxxxxxx | Linux: The choice of a GNU |
| Stallion Technologies, Queensland, Australia | Generation. |
| VoiceNet +61-7-3270-4266 Fax +61-7-3270-4245 | Mates dont let mates do DOS |
\________Send mail with "Subject: sendpgpkey" for my PGP public key. ________/
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|