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Author
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Topic: Old undeveloped Kodacolor film question
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Hillary Charles
Jedi Master Film Handler
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Posts: 748
From: York, PA, USA
Registered: Feb 2001
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posted 07-11-2003 06:42 PM
Randy, you might want to take the negative in its carrier to a pro lab and explain the situation. It shouldn't be difficult for them to fix the neg for you. Heck, if you just want to fix the image as you saw it, without risking changing it through developing, you could buy the smallest bag of Kodak fixer, mix it up and put the neg in a tray for about 11 minutes. That should save the image.
Mike, Super-8 is still being used, so there are labs which will develop those (provided they are current processes like K40--which would appear on the Kodachrome cartridge, if I recall correctly). However, if they've been in the attic for some time and subjected to extremes of temperature, the latent image may have taken a beating.
Mr. Pytlak would probably have info on which Super-8 stocks are currently still in use.
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John Pytlak
Film God
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Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 07-14-2003 03:04 PM
Heat and radiation cause unprocessed film to deteriorate. Keeping film cold greatly slows the chemical changes in the unprocessed emulsion. But natural radiation (cosmic rays and gamma rays) eventually will cause some fogging, especially with the higher speed (larger grained) films. If the images are valuable, it's worth trying to process the film in the recommended process. Custom processing with a bit more bromide, anti-foggant, or restrainer may help control age fog.
Here is Kodak's information about film storage:
Kodak Film Storage Recommendations
As others have noted, the current process for consumer color negative films is Kodak C-41, which has been in use since the early 1970's:
Process C-41
The older Kodacolor-X films used a cooler C-22 process, and will NOT survive processing in the hotter C-41 process.
Kodak EKTACHROME consumer and professional reversal films now use process E-6:
Process E-6
The older EKTACHROME process was E-4:
Process E-4
KODACHROME films require a very specialized and sophisticated process (K-14), since the dye-forming couplers are in the process, not the film.
Here are the current professional motion-picture processes for ECN-2, ECP-2D, VNF-1, RVNP-1, and B&W (D-96, D-97):
Kodak Motion-Picture Processes
As others have noted, some labs specialize in processing outdated films, or films with obsolete processes.
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