[rollei_list] Re: Bellows... "Light Seal Tube" ,"Light Seal Ring"
- From: Carlos Manuel Freaza <cmfreaza@xxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sun, 21 Aug 2005 23:42:03 +0000 (GMT)
A clarification about the 3.5F, the 3.5F till 1961
used a "Light Seal Tube" (similar but different
catalog piece regarding the 2.8C,D,E,E2). As I wrote
previously,from 1961 it used the "Light Seal Ring"
specific for this model and the 3.5E3.
All the best
Carlos
--- Carlos Manuel Freaza <cmfreaza@xxxxxxxxxxxx>
escribió:
> "Light Seal Tube" and "Light Seal Ring" are the
> official Rollei names for these pieces,
> "Dichtungsstuzen" and "Dichtungsring" in German.The
> ring is the same piece for the 3.5 cameras including
> Rolleicords till the 3.5E2, the ring changes for the
> 3.5F and 3.5E3(the same for both cameras), also
> changes for the 2.8F and and 2.8E3(the same for both
> cameras).
> The "Light Seal Tube" is used for the 2.8C, 2.8D
> 2.8E
> and 2.8E2 (I don't know about the 2.8A and B). It is
> the same piece for the 2.8E and 2.8E2 and I guess it
> is also the same piece for the C and D.
> I have recovered this morning an official Rollei
> factory source and I have the catalog numbers if
> necessary.-
>
> All the best
> Carlos
> --- J Patric Dahlén <jenspatricdahlen@xxxxxxxxxxx>
> escribió:
>
> > It's not a membrane or a diaphragm. It's just a 3
> x
> > 102 mm strip of velvet
> > felt, just like the light trap in sheet film
> > holders. It's glued in a slot
> > sround the lens hole in the camera body. If it
> looks
> > like it moves, it's
> > just the fibers bowing when the lens tube moves.
> >
> > The ring Prochnow talks about, that "looks
> different
> > according each
> > calculation" could be the lens tube. The velvet
> felt
> > is just a light trap,
> > and can't do anything to improve the results other
> > than avoiding light
> > leaks.
> >
> > I got a new lens tube in one of my Rolleis I sent
> > for repair. Don't know why
> > it was replaced (the old one looked good in my
> > eyes), but the repairman
> > didn't charge me anything extra for that.
> >
> > /Patric
> >
> >
> > >From: Carlos Manuel Freaza
> <cmfreaza@xxxxxxxxxxxx>
> >
> > >Yes Richard, I have seen again the Rolleicord IV
> > and
> > >really it has a membrane or diaphragm that
> appears
> > >when you put the focus mechanism at the minimum
> > >focusing distance, it has a reddish color and
> it's
> > >very different regarding the system for the 2.8C,
> > >while the 2.8C is similar to your 2.8E, (it moves
> > >following the lens movement as Todd explained),
> > the
> > >Rolleicord IV membrane or diaphragm(there are no
> > >"bellows" here) is invisible till you advance
> the
> > >lens to the minimum focusing distance (0.80m),
> that
> > >was the reason I did not see it before. As
> Prochnow
> > >wrote, the diaphragm, (or short "bellows" or
> > membrane
> > >or whatever) looks different according each
> > >"calculation".
> > >The Rollei TLR cameras anti-reflection system are
> > very
> > >effective according my experience; of course, as
> > you
> > >wrote, it is not perfect if you shoot into the
> sun,
> > >but for this case it sometimes helps to obtain a
> > bit
> > >of flare control enough for some detail in the
> > photo.
> > >Perhaps that issue about the roller reflection
> seen
> > in
> > >some cameras has something to do with problems
> for
> > >this "diaphragm".-
> > >
> > >All the best
> > >Carlos
> >
> >
> > ---
> > Rollei List
> >
> > - Post to rollei_list@xxxxxxxxxxxxx
> >
> > - Subscribe at rollei_list-request@xxxxxxxxxxxxx
> > with 'subscribe'
> > in the subject field OR by logging into
> > www.freelists.org
> >
> > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx
> > with
> > 'unsubscribe' in the subject field OR by logging
> > into www.freelists.org
> >
> > - Online, searchable archives are available at
> > //www.freelists.org/archives/rollei_list
> >
> >
>
>
> __________________________________________________
> Correo Yahoo!
> Espacio para todos tus mensajes, antivirus y
> antispam ¡gratis!
> ¡Abrí tu cuenta ya! - http://correo.yahoo.com.ar
> ---
> Rollei List
>
> - Post to rollei_list@xxxxxxxxxxxxx
>
> - Subscribe at rollei_list-request@xxxxxxxxxxxxx
> with 'subscribe'
> in the subject field OR by logging into
> www.freelists.org
>
> - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx
> with
> 'unsubscribe' in the subject field OR by logging
> into www.freelists.org
>
> - Online, searchable archives are available at
> //www.freelists.org/archives/rollei_list
>
>
___________________________________________________________
1GB gratis, Antivirus y Antispam
Correo Yahoo!, el mejor correo web del mundo
http://correo.yahoo.com.ar
---
Rollei List
- Post to rollei_list@xxxxxxxxxxxxx
- Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe'
in the subject field OR by logging into www.freelists.org
- Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with
'unsubscribe' in the subject field OR by logging into www.freelists.org
- Online, searchable archives are available at
//www.freelists.org/archives/rollei_list
Other related posts:
