Archived posting to the Leica Users Group, 2011/05/04

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Subject: [Leica] 100 year anniversary of 120 film (Care & feeding of '29 Original)
From: richard at imagecraft.com (Richard Man)
Date: Wed, 4 May 2011 12:40:08 -0700
References: <625993.2837.qm@web125703.mail.ne1.yahoo.com> <3D37FC30-95D4-4E62-BEC6-81F7744D04DA@charter.net>

I'm in!

On Wed, May 4, 2011 at 6:33 AM, Slobodan Dimitrov <s.dimitrov at 
charter.net>wrote:

> I just found out that next year, 2012, 120 film will be 100 years old.
> Anyone willing to do a celebratory project to commemorate the milestone?
> S.d.
>
> Begin forwarded message:
>
> > From: Carlos Manuel Freaza <cmfreaza at yahoo.com.ar>
> > Date: May 4, 2011 1:53:25 AM PDT
> > To: rolleiusers at yahoogroups.com
> > Subject: Re: [rolleiusers] Re: Care & feeding of '29 Original
> > Reply-To: rolleiusers at yahoogroups.com
> >
> > Kirk:
> > 120 film was available from 1912 and the Rolleiflex was designed in 1928,
> it could be made to use 120 film but Heidecke wanted to keep the camera as
> compact and small as posssible and then he chose the 117 film (B1-6). The
> Rolleiflex was a market successs and hardly the firsts users got it they
> asked the factory about to adapt it to use longer film; F&H found a way to
> retrofit the camera for 620 film spools use with 12 frames.
> >
> > According the explanation in Claus Prochnow's Report 1, the 620 spools
> larger flanges made contact with the upper spool chamber and then it had to
> be enlarged accordingly, the lower spool was housed in a cage and projected
> slightly and then the camera back received two spherical cuts. The camera
> exterior was kept original without changes.
> >
> > The camera could also be adapted for 120 film at factory, but it required
> major changes with modifications even for the camera exterior (i.e. a
> additional spool knob and a new wider transport knob with a groove) and the
> changes for the camera inside were significant too.
> > While the adaptation for 620 film looks pretty simple for a technician
> wanting to do the task, the adaptation for 120 film looks more complex
> requiring special parts, 120 spools had slight variants at the time and the
> adaptation needed to consider these variants.
> >
> > It was from January 1932 with the first Rolleiflex Standard model that
> the Rolleiflex cameras were made to use 120 film from factory. The 117 film
> was discontinued in 1949, F&H decision to adopt the 120 film size had
> nothing to do with the 117 film availability, the Rolleiflex users wanted a
> longer film.
> >
> > Carlos
> >
> > PS:If you have the 620 spools, it's pretty easy to respool 120 film, the
> only difference 120-620 is the spool, film size is the same.
> >
> > --- El mi? 4-may-11, Kirk Thompson <thompsonkirk at hotmail.com> 
> > escribi?:
> >
> > > De: Kirk Thompson <thompsonkirk at hotmail.com>
> > > Asunto: [rolleiusers] Re: Care & feeding of '29 Original
> > > Para: rolleiusers at yahoogroups.com
> > > Fecha: mi?rcoles, 4 de mayo de 2011, 1:03
> > > Thanks, Richard, for having a go at
> > > it, but unfortunately those aren't solutions (if there are
> > > any).
> > >
> > > 1. No way 120, it's too fat. The early Rolleis used 117
> > > film.  Phillips explains that in 1929 it was the only
> > > size that had the frame numbers printed in the right place
> > > on the backing paper. 117 was 6 cm wide but had a thin
> > > spindle (making a thinner roll), small flanges, and
> > > different holes in the ends of the spools.
> > >
> > > When 117 was discontinued, many of the original Rolleis
> > > were converted to 620 film (which is still available from
> > > B&H). 620 has a skinny spindle and small flanges like
> > > 117, but it required a modification of the cameras: a
> > > different-sized left bump and right key to engage the
> > > take-up spool. These are the conversion parts I have some
> > > small hope of finding, if anyone knows of an old Rollei
> > > burial site where such things can be found.
> > >
> > > 2. Years of experience have proved that klutzes like me do
> > > not work on their own cameras. So I still want to know if
> > > there's a classic camera repairman who retains old parts and
> > > skills. (Fleenor and Krikor don't work on these.)
> > >
> > > Kirk
> >
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-- 
// richard <http://www.imagecraft.com/>
// icc blog: <http://imagecraft.com/blog/>
// photo blog: <http://www.5pmlight.com>
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Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] 100 year anniversary of 120 film (Care & feeding of '29 Original))
Reply from pdzwig at summaventures.com (Peter Dzwig) ([Leica] 100 year anniversary of 120 film (Care & feeding of '29 Original))
In reply to: Message from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] 100 year anniversary of 120 film (Care & feeding of '29 Original))