Re: [APML] RE: How do you N2 purge an OM-1?

[steve banbury <banburys@sonic.net>]

Yep--it was my brother--Loren Banbury.
My Olympus OM-1 is missing that cap, and is covered with electrical
tape. It doesn't look like there's enough room to allow any sort of a
tube to stick thru that location on the OM.

Good luck--Steve

Glenn Ray wrote:

> Well, dang me.  I just re-examined my Pentax LX camera body and
> noticed that the base plate has two threaded caps (like the
> battery cover) used for attaching a winder.  The left cap is
> directly below the film canister and would be a perfect spot for
> introducing N2 (or dry air) into the body.
>
> I think this will be an optimum solution to my problem since I
> won't have to modify the LX in any matter.  I'll try to find a
> spare cap that can be modified with a brass fitting for the gas
> line --or-- have a fitting made to order.
>
> Didn't someone suggest this kind of solution earlier in the thread
> (i.e., introducing gas through a hole in the baseplate)?  If so,
> I'm sorry I didn't pay more attention!
>
> Glenn Ray
>
> ---------- Original Message ----------------------------------
> From: Joe Pedit <pedit@email.unc.edu>
> Reply-To: astro-photo@seds.org
> Date: Fri, 30 Aug 2002 19:56:10 -0400
>
> >Glenn,
> >
> >I destroyed a Pentax 67 when drilling a gas purge hole so I
> understand
> >your hesitation of drilling a hole into your Pentax LX.
> Piermario
> >Gualdoni suggested encapsulating the camera with a plastic bag
> >containing silica gel
> ><http://astro.umsystem.edu/apml/ARCHIVES/SEP99/msg01008.html>.
> That
> >method diminished the film curl problem to some extent.  I have
> had
> >better success purging N2 into the plastic bag.  I give the
> system a
> >blast of N2 at the start of the exposure and then reduce the flow
> to a
> >trickle.
> >
> >Joe
> >
> >
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>
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