On Gio, 29 ott 1998 13:32, William Sommerwerck <mailto:williams@xxxxxxxxxx>
wrote:
>Common sense suggests that tensioning the spring over long periods of
>time is eventually going to weaken it. About 40 years ago I read in a
>photo mag that the alloys used in modern shutter springs did not have
>this problem.
>
Hassy's lenses (C) must be cocked to lock/unlock. So they stay always
cocked. They are Compurs and Prontors, btw.
Marco
< 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 >
|