Coffee Processing

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Stivi

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Hi All

Hope someone can help. I have decided to get back into film processing and have downloaded information on homemade developers using coffee, ascorbic acid and soda crystals, there is just one problem, I am using colour film that I understand it will develop as black and white, my question is, when taking the photographs, do I treat the film as black and white, using filters, or treat it as the colour film that it is.

Any help would be appreciated.
 

removed account4

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hi stivi
i use the same coffee developer and like you,
use it with color film ( both c41+e6 )
i have used rgb filters and made trichromes
with the negatives before so i am guessing
you won't have an problems using b/w filters.
but i would shoot a test roll just to make sure
have fun!
john
 
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Stivi

Stivi

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Joined
Feb 19, 2017
Messages
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Location
UK
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35mm
hi stivi
i use the same coffee developer and like you,
use it with color film ( both c41+e6 )
i have used rgb filters and made trichromes
with the negatives before so i am guessing
you won't have an problems using b/w filters.
but i would shoot a test roll just to make sure
have fun!
john

Hi - Thanks for the info. What are trichromes?
 
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Stivi

Stivi

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If I were you, I'd shoot the film as if it were colour.

Hi - thanks for the info. I will give both a go, this is all new to me, never knew you could use household stuff for developing films.
 

Robin Guymer

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Check the Coffee Developers Group on APUG. I have posted my stand development method that works for me every time using a variety of B&W films of varying ASA.
Robin.
 

Andrew O'Neill

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Hi - thanks for the info. I will give both a go, this is all new to me, never knew you could use household stuff for developing films.

Caffenol is great. I have also used it to develop prints. The best part is putting the print in the fix. Smells like tuna sandwiches.
 
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Stivi

Stivi

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Check the Coffee Developers Group on APUG. I have posted my stand development method that works for me every time using a variety of B&W films of varying ASA.
Robin.

Thank you, I will take a look.
 

Harry Stevens

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Trouble is the coffee developer works out more expensive than off the shelf developers and results can vary greatly.........:smile:
 

removed account4

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Caffenol is great. I have also used it to develop prints. The best part is putting the print in the fix. Smells like tuna sandwiches.
:smile:

Hi - Thanks for the info. What are trichromes?

your welcome.

trichromes are when you take panchromatic film and color strip a subject / make 3 exposures
each, with RGB filters ( 1 each filter )
and then you combine those filtered negatives to make a color image
like these that were done before world war 1
http://archive.boston.com/bigpicture/2010/08/russia_in_color_a_century_ago.html
i don't do color printing so i have to combine them using modern technology, still lots of fun !

goodluck !

john
 
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Stivi

Stivi

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Joined
Feb 19, 2017
Messages
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Location
UK
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35mm
:smile:



your welcome.

trichromes are when you take panchromatic film and color strip a subject / make 3 exposures
each, with RGB filters ( 1 each filter )
and then you combine those filtered negatives to make a color image
like these that were done before world war 1
http://archive.boston.com/bigpicture/2010/08/russia_in_color_a_century_ago.html
i don't do color printing so i have to combine them using modern technology, still lots of fun !

goodluck !

john
Hi

Amazing photographs, absolutely brilliant taken in 1910.
 
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