Archived posting to the Leica Users Group, 2018/06/20

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Subject: [Leica] Developing E-4 Ektachrome at home
From: hlritter at twc.com (Howard L Ritter Jr)
Date: Wed, 20 Jun 2018 18:08:14 -0400
References: <1785222191.9833.1529479380392@wamui-gaston.atl.sa.earthlink.net> <MMXP12301MB15020C6CD0350D6B4949577BF9770@MMXP12301MB1502.GBRP123.PROD.OUTLOOK.COM> <63C3B66D-1FFB-4E1A-9D66-C322253FFD60@twc.com> <CA+3n+_=CZeEaOBJhJTiVVN-jfOsqV_2OEqakvETvvYR5xORUWQ@mail.gmail.com> <000001d408d8$d04a10a0$70de31e0$@ca> <CAFfkXxtgA1s9HPp7JcNXH92AdRODZCU-BU1uxt=bZmZg2Tvykw@mail.gmail.com>

I dunno, Sonny. From what I see coming out of Washington and out of  Ottawa, 
I think our Neighbors To The North are a LOT less spacey than we are?

?howard

> On Jun 20, 2018, at 17:14, Sonny Carter via LUG <lug at leica-users.org> 
> wrote:
> 
> 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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>> 
>> _______________________________________________
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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
> 
> _______________________________________________
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In reply to: Message from montoid at earthlink.net (Montie) ([Leica] Developing E-4 Ektachrome at home)
Message from john at mcmaster.co.uk (John McMaster) ([Leica] Developing E-4 Ektachrome at home)
Message from hlritter at twc.com (Howard L Ritter Jr) ([Leica] Developing E-4 Ektachrome at home)
Message from don.dory at gmail.com (Don Dory) ([Leica] Developing E-4 Ektachrome at home)
Message from tedgrant at shaw.ca (Ted Grant) ([Leica] Developing E-4 Ektachrome at home)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] Developing E-4 Ektachrome at home)