[Leica] Developing E-4 Ektachrome at home

Wed Jun 20 14:14:26 PDT 2018

I think Ohio is not as close to outer Space as Canada is, so maybe his film
will be safe from radiation!   ;-)

SonC

On Wed, Jun 20, 2018 at 3:53 PM, Ted Grant via LUG <lug at leica-users.org>
wrote:

> The only thing I can add to this is?
> Depending how old the film is will depend if you have any images at all?
> Even depending on your processing? WHY?
> Simply depending on the radiation factor of planet Earth and time the film
> was exposed until today? The radiation can or might have destroyed your
> images.
> Many photogs have no idea about Planet Earths' radiation factor and it's
> effect on long time exposure to it. Yep it's there 24 hours a day and we?
> YES US the shooters with cameras and film are subjected to it daily!!
> I suppose as I have been told you can give it a try? however others have
> offered in processing? MAYBE YOU'LL GET LUCKY????"
> good luck!!!!!!!!!!!!!!
> cheers,
> Dr.Ted Grant O.C.
>
> -----Original Message-----
> From: LUG [mailto:lug-bounces+tedgrant=shaw.ca at leica-users.org] On Behalf
> Of Don Dory via LUG
> Sent: June-20-18 8:47 AM
> To: Leica Users Group
> Cc: Don Dory
> Subject: Re: [Leica] Developing E-4 Ektachrome at home
>
> My suggestion would be to use an extreme compensating developer say Rodinal
> 1/100 with no agitation.  Memory tells me that the chromes have extreme
> contrast that needs to be moderated.  Also, after all this time latent
> images will be weak and lots of fog.
>
> On Wed, Jun 20, 2018, 10:43 AM Howard L Ritter Jr <hlritter at twc.com>
> wrote:
>
> > I’ve read that E-4 and E-6 processes are very different, and that E-4
> film
> > will be ruined by E-6 processing. For one thing, E-4 film needs a
> > pre-hardening step that E-6 doesn’t employ, to keep the emulsion from
> > detaching from the film base. I think this might be the main obstruction
> to
> > home processing.
> >
> > It’s been surprisingly unfruitful to google this topic.
> >
> > —howard
> >
> > > On Jun 20, 2018, at 07:48, John McMaster <john at mcmaster.co.uk> wrote:
> > >
> > > AFAIR, E4 was lower temperature than E6 - many decades since I shot
> > Kodak colour IR ;-)
> > >
> > > john
> > >
> > > -----Original Message-----
> > > From: LUG [mailto:lug-bounces+john=mcmaster.co.uk at leica-users.org] On
> > Behalf Of Montie via LUG
> > > Sent: 20 June 2018 08:23
> > > To: lug at leica-users.org
> > > Cc: Montie
> > > Subject: Re: [Leica] Developing E-4 Ektachrome at home
> > >
> > > If it were me, I'd be shopping around for a single shot E-6 kit
> > (Formulary, B&H, etc.) There may be some still around. I'm thinkin E-4
> film
> > will render a usable image (if properly exposed) processed in E-6.
> > > Could be wrong, again, it's been decades...But something to check on.
> ;-/
> > >
> > > Montie
> > >
> > >
> > >>> Does anyone know anything about home processing of E-4 Ektachrome as
> a
> > B&W negative?
> > >
> > > My brother just came across Dad’s old View-Master stereo camera, opened
> > the back, and discovered that it had a partially exposed roll of film in
> > it. He sent the camera to me and I figured out how to rewind the film.
> > (Thank you, Mike Butkus at Orphan Cameras, butkus.org <
> http://butkus.org/>)
> > When I took it out, I found that it’s process E-4 Ektachrome, which I was
> > told was marketed from 1963-74. I suspect the film was shot toward the
> > early part of that period. I’d like to see what images of me and my sibs
> > might be on it.
> > >
> > > It can be processed at some expense by several commercial labs, but
> > they’ll develop it as a B&W negative. I’d think this could be done at
> home,
> > since it’s the color and the reversal that take the exotic chemicals and
> > the technique, correct? I know there’s a caveat about the need for
> > hardening of the emulsion of E-4 film prior to processing, so this might
> > make it impossible to do at home.
> > >
> > > Any instructions, experiences, or guidance appreciated.
> > >
> > > BTW, I’m running a roll of Ilford Delta 100, the highest ASA the camera
> > is calibrated for – and it goes down to ASA 4, for original Kodachrome! –
> > through it now. It might yield some interesting images for those who can
> > fuse stereo pairs by staring at them onscreen. If so, I’ll post them.
> > >
> > > (This camera has an innovative system with linked ASA, shutter speed,
> > and aperture dials, calibrated for subject brightness and for
> illumination
> > level – and even for summer or winter! – obviating the need for a light
> > meter. As I recall, it was quite effective even with the slide film that
> it
> > had to use. It had fixed-focus lenses and a viewfinder that incorporated
> a
> > spirit level below the field of view, as leveling is critical for a
> stereo
> > camera. A flash attachment with its own built-in split-image rangefinder
> > for determining the correct aperture setting was available. Because the
> > stereo effect was more pronounced the closer the subject, two degrees of
> > close-up lenses were available, going down to 20". Conceptually and
> > mechanically, it’s a fascinating camera and system.)
> > >
> > >
> > > —howard
> > >
> > > _______________________________________________
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> > >
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> >
> >
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-- 
Regards,

Sonny
http://sonc.com/look/
Natchitoches, Louisiana
1714
Oldest Permanent Settlement in the Louisiana Purchase

USA