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

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] Developing E-4 Ektachrome at home
From: hlritter at twc.com (Howard L Ritter Jr)
Date: Wed, 20 Jun 2018 12:09:25 -0400
References: <1785222191.9833.1529479380392@wamui-gaston.atl.sa.earthlink.net> <MMXP12301MB15020C6CD0350D6B4949577BF9770@MMXP12301MB1502.GBRP123.PROD.OUTLOOK.COM> <63C3B66D-1FFB-4E1A-9D66-C322253FFD60@twc.com> <MMXP12301MB1502B085A7FD07159E440B18F9770@MMXP12301MB1502.GBRP123.PROD.OUTLOOK.COM>

Thanks, John, but I?ve been to the Rocky Mountain website. Their stated 6-12 
month turnaround time (due to batching) and the cost make them the court of 
last resort. I have some chemicals and don?t mind getting my hands wet and 
stinky.

?howard

> On Jun 20, 2018, at 11:50, John McMaster <john at mcmaster.co.uk> wrote:
> 
> Just spend $42.50 and keep your hands clean?
> 
> http://www.rockymountainfilm.com/e4.htm
> 
> 
> 
> -----Original Message-----
> From: LUG [mailto:lug-bounces+john=mcmaster.co.uk at leica-users.org] On 
> Behalf Of Howard L Ritter Jr
> Sent: 20 June 2018 16:43
> To: Leica Users Group
> Subject: Re: [Leica] Developing E-4 Ektachrome at home
> 
> 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
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information



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 john at mcmaster.co.uk (John McMaster) ([Leica] Developing E-4 Ektachrome at home)