Answering Chuck's questions:
The information about a bellows rail marked in green for an 80mm auto macro
came from a list member, but I can't remember who.
Not all front standards are exactly the same - both of mine have circular rings
perhaps to cut reflections, but they are not a continuous thread.
Thank you very much for posting Phillip's message. I must have missed that
while off list on holiday. I will update the information on my page about the
Auto Bellows.
I am not sure that you are correct about Series filters not being threaded. I
have a zoom closeup lens with a Series VII thread, and a step-up adapter marked
SER-VII 49mm. The Series VII seems to be about 54mm thread.
--
Alan Wood
http://www.alanwood.net (Unicode, special characters, pesticide names)
----- Original Message ----
> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
> To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
> Sent: Thursday, 8 January, 2009 13:20:09
> Subject: Re: [OM] OM Bellows Questions
> But there are supposedly two versions of the bellows according to Woods.
> The later version has green markings (in addition to the white and
> orange of the earlier one) for the auto diaphragm version of the 80mm
> bellows lens. I'm not sure where this info comes from either since
> there is no such mention of using green markings on the bellows in the
> 80mm auto user's manual.
>
> If all of this is true there must exist a later version of the bellows
> user's manual describing modifications made to the later model which
> must include: a separate green scale for the 80mm auto, filter threads
> on the inside of both mounting boards and provision for removing the
> bellows from the body mounting board as well as the lens board. Anybody
> got one of these?
>
> Before sending I decided to check my notes on the bellows and discovered
> this from Phillip Franklin dating from March of 2000. This may be the
> source of the data in the eSIF. Note that only the front is mentioned.
> -------------------------------------------------------
> Date: Tue, 07 Mar 2000 12:41:49 -0800
> From: Phillip Franklin
> Subject: [OM] [OM} Bellow Reversed Front Standard is Series 6 thread
>
> Hans & everyone else interested,
>
> I just tested it out. That front standard reversed uses a Series 6
> thread. So with a Series 6 to 49mm or 52mm step up ring it should make
> it easy to attach the Ring Flash or any other filter type attachment to
> the bellows with the lens reversed. Also by doing this it will protect
> the back element from a possible scratch when getting close with macro.
> I even found a Series 6 polaring filter in my stash of stuff from using
> a Mamyia Universal 6x9 camera. I do have some Series 6 filters but none
> with the step up to 49mm or 52mm, however they should not be hard to find.
>
> Wow, I've finally made a concrete contribution as opposed to general
> opinions.
>
> Phillip Franklin
> ---------------------------------------------------------
>
> But I find this a bit confusing. Series filters are not threaded. The
> only threads are on adapter rings (series 6 to specific lens thread) and
> retaining rings to hold the drop-in filter into the adapter. But these
> may optionally have additional threads in the front so perhaps what
> Phillip is talking about is a Series VI retaining ring with a 49mm
> step-up on the front. B&H still sells some series accessories but not
> what Philip mentions.
>
>
> Chuck Norcutt
>
>
> Jay Drew wrote:
> >
> >
> > But I did learn that (according to the MIR site) that the boards are
> > threaded
> > for Series VI filters. I don't have that filter (and why wouldn't they use
> 49mm
> > filter thread?) - so I can't verify that tidbit of information. I see
> > ridges
> > but I couldn't say for certain that they are threads or just ridges to knock
> > down reflected light.
> --
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