Kodachrome

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Photo Engineer

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If you look at the last page of the Kodak patent in PDF format, it gives a statement by EK that the patent is abandoned and free to use by anyone. This, IMHO, was an effort by EK to encourage others to use Kodachrome and CD6.

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piratelogy

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Ok, after tossing out all of my chemistry and starting over I'm back on track... I dunno what was wrong but I'm no longer having only magenta developing. I took the PH up to 10.5, which has resulted in a TON more saturation and contrast as well as apparently increasing the film speed, as I shot this roll at ISO50 like I had all my other tests and this roll is somewhat over-exposed.

The top shots are before PH changes, bottom are after. Color balance of the IMAGE is wrong for both, the color balance of the actual slides is pretty spot on with both.
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You have practically no yellow. A color chart would help prove this. You need more yellow development somehow.

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piratelogy

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Photo Engineer said:
You have practically no yellow. A color chart would help prove this. You need more yellow development somehow.

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Its still low in yellow, but there's more than that snap makes it look and a lot more than it DID have. I'll take some color chart shots here shortly and see how we look.
 

Photo Engineer

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I did a color adjustment of your image by adding a LOT of yellow and it looks much better. I'm pretty sure that is the answer.

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Nzoomed

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You have made great progress, especially if the film speed has increased.
Looks like the saturation has increased on both cyan and magenta, which is great.

Once you sort out yellow, you will be very close to good results!
 

piratelogy

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Nzoomed said:
You have made great progress, especially if the film speed has increased.
Looks like the saturation has increased on both cyan and magenta, which is great.

Once you sort out yellow, you will be very close to good results!
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Yeah, looking at it with a loupe its looking pretty close to proper if I can get yellow up.
 

flavio81

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The Pirate-14 process is improving and improving... You're my hero !!
 

piratelogy

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dmr said:
Agree 100% Good luck! I took Organic waaaayyyy back in undergrad and this is far more advanced than I ever got!
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I've never taken it, lots of googling and reading, my head hurts
 

dmr

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piratelogy said:
I've never taken it, lots of googling and reading, my head hurts
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LOL, it was back in the 1970s when I took Organic and I only remember fleeting bits and pieces, all qualitative, having never really used it. I can remember that thiols and mercaptans stink, alkanes make your car go, and alkyl nitrites (among other things) will give you a good buzz. You probably have a better working knowledge of it than I ever had.

Again, I'm following your progress and cheering you on from the bleechers!
 

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You must have tried some of those out!

Qualitative organic analysis is quite a blast! Literally! Sometimes..........

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dmr

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Photo Engineer said:
You must have tried some of those out!

Qualitative organic analysis is quite a blast! Literally! Sometimes..........
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I daresay every kid who went to college during the 1970s had at least some experience with mind-altering substances! Things like inhalants, which you could buy over the counter in any "head shop" or "adult" shop, were actually considered "kid stuff", compared to the "real drugs" that were available. I remember the topic being discussed (dusting off rusty brain cells, perhaps synthesizing the ester from the alcohol?) on how to make the common inhalants and the instructor was very frank about it but did not offer any hands-on assistance.

Now I do remember in high-school introductory chemistry a brief discussion about explosives, and we DID make basic gunpowder in the lab. I remember what we made would mostly smoke and stink. The instructor did tell us the procedure of how to make things like nitroglycerine and then cited a recent incident where the Weathermen (or somebody like that) blew the front off of a building trying just that.
 

Gerald C Koch

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Sigh, I personally will be happy when all the stashed away Kodachrome is gone. Then threads like this one will dry up.
 

keenmaster486

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Gerald C Koch said:
Sigh, I personally will be happy when all the stashed away Kodachrome is gone. Then threads like this one will dry up.
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Augh, don't remind me that there is a limit to the supply of expired Kodachrome.
 

piratelogy

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I've made some rough two color Kodachrome style emulsions... You won't get rid of me that easily!
 

RPC

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piratelogy said:
I've made some rough two color Kodachrome style emulsions... You won't get rid of me that easily!
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Keep at it! After all, who needs the excellent three-color products we already have?
 

piratelogy

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RPC said:
Keep at it! After all, who needs the excellent three-color products we already have?
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After all, who needs innovative people who are excited about learning the nuts and bolts of analog processes to keep analog photography alive?
 

RPC

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It is debatable whether you are really doing that.
 
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