[LargeFormat] apo ronar

[Richard Knoppow]

----- Original Message ----- 
From: "Joseph O'Neil" <joneil@multiboard.com>
To: <largeformat@f32.net>
Sent: Saturday, February 21, 2004 4:11 AM
Subject: [LargeFormat] apo ronar


> Hi everyway;
> I picked up an60mm apo-ronar yesterday - I litterally tore
apart the
> process camera by hand - sad to see these things going
away - give it ten
> years, nobody will remember what they looked like.  :(
>
> Lens is in excellent shape, and i still harbour dreams of
jumping from 4x5
> to 8x10, so I jumped at the chance for the lens.  No
shutter of course
> (anybody got a spare Ilex #5?  :), but can anone tell me
how to date a lens
> form the serial number for Rodestock?  I know how to for
Kodak and I have
> the list for Schneider, but not Rodenstock.  The serial
number on this one
> is 10231544.
>
> On a bit of a tangent, is anyone else sad to see these
process cameras
> bign shut down everywhere?  I mean, i fully understand
business wise it is
> happening,a nd every time a local one shuts down and I
hear aobut it, my
> lenses collection grows - for example, I have a wonderful
red dot artar
> 8.24" I use all the time with splended results.  I even
get used ot
> focusing at F9, becuase i backpack a lot and th elens is
small and light.
>
> But still, I thkk all the technique and technology and
even the art of
> using these process cameras will sooon be a hting of the
past, something
> just sad about that.
> joe
>
>
> http://www.oneilphoto.on.ca
> http://www.multiboard.com/~joneil
> Una salus victis, nullam sperare salutem
>
   Remounting a lens like this in a modern shutter is
expensive, partly because the shutter itself is expensive.
Its a little cheaper to have the entire barrel front mounted
in a shutter, Steve Grimes shop can do this work. A cheaper
way is to use a Packard shutter. These are simple air
operated shutters which have been made since about the
1870's. Used ones were once very common but now you will
probably have to buy one new. See: http://www.hubphoto.com
The consistency of exposure time is surprizing good but you
have really only one speed and time or bulb. A long time ago
pressure regulators were made to allow consistent
adjustments of exposure time. Hub sells both shutters with
and without a flash synchronizing contact and some other
variations. Stock models come in rather large sizes but
custom shutters can be built to very large sizes. For some
very large lenses these are the only practical shutters.
They are also suitable for use in enlargers where one wants
to control exposure time without turning the lamp on and
off.

---
Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com