[rollei_list] Re: Rolleiflex 2.8C Film Frame
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Thu, 29 May 2008 11:25:31 -0700
----- Original Message -----
From: "John Wild" <JWild@xxxxxxxxxxxxxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Thursday, May 29, 2008 10:08 AM
Subject: [rollei_list] Re: Rolleiflex 2.8C Film Frame
On my 3.5F, the roller is virtually level with the film
guides.
Logically, the roller would be level to within a couple of
thou' to
prevent the film bending away from the guides as it rolls
tightly onto
the spool. Higher than that and it would lift the film off
the guides
and lower than that, the film could be come scratched or
kinked as it
moves over the guides. There must be a tolerence listed
somewhere (in a
repair manual?). Are these rollers adjustable by shims etc
or are
different diameter rollers used to suit the height of the
film guides?
The lens would be adjusted for focus on each camera so the
exact
dimension of the film guide to front face of casting would
not
necessarily be that critical. I guess parallelism would be
more so.
John
There seems to be no adjustment for the roller postion.
The brackets that hold them are located by the camera body,
that is, you push them in as far as they will go and tighten
the screws. Of course, you can tighten the screws with the
brackets pulled out a little but then there is nothing to
keep them parallel so I don't think this is an intentional
adjustment.
All the rollers are the same, that is, there may be
different rollers for different models but not a selection
of diameters for a given model.
The ends of the film rails should prevent the film from
touching the edges of the mask in the film gate. Whatever is
the case I have never heard of a Rollei scratching film, at
least not one in reasonable repair.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
---
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