Olympus-OM
[Top] [All Lists]

RE: [OM] Wondering why...

Subject: RE: [OM] Wondering why...
From: "Harridge, Wayne" <Wayne.Harridge@xxxxxxxxxx>
Date: Fri, 7 Jan 2000 18:28:08 +0800
Ian wrote:

> That would be a very good reason.  The diaphragm linkage, which allows
> the camera body's metering system to determine the extent to which the
> lens will be stopped down for exposure, has a circular motion.  The
> shift is a linear motion.  To get an auto diaphragm to work in a shift
> lens, some mechanism would have to be devised which would give a
> circular motion compensated with a linear motion - and my brain hurts
> just trying to think about it!
> 

What might have been a relatively simple way of doing it would be to use the
double cable release idea as used on the bellows.  I guess it's a bit late
to suggest this to Olympus now though.

Wayne Harridge
Ivanhoe, Victoria, Australia
http://www.geocities.com/Paris/Louvre/6152/ 

< 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 >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz