On Aug 28, 2011, at 7:14 AM, Bob W wrote: >> From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of >> Steven Desjardins >> >> It's a lovely hobby. >> >> I am equally impressed by your numeristics. > > Thanks, but I've really like coin-collecting. > >> I also like numbers like >> 720 because I can do the math in my head more easily. >> > yes. If it was up to me I'd replace all the primes with more easily > divisible numbers. It would save us all a lot of trouble.
Now that you mention it, I realize why one of my lenses is 31mm, that doesn't however explain 77 rather than 79mm, or 50 rather than 51. -- Larry Colen l...@red4est.com sent from i4est -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.