EI 050

 
EI 100

 
EI 200

 
EI 400

 
 
EI 800

 
EI 1600

 
EI 3200

 
EI 6400

 

These were shot at the ISO indicated by the “EI” number and developed for 70 minutes in 300ml Caffenol C-M with an addition of 1g Citric acid (at 20°C). From how the scans look one could draw the conclusion that this effectively was a push to ISO 800 or 1600.
I also take the look of the negatives as an indication that Caffenol isn’t the best developer there is for Tmax 400.
Where the negatives should be “clear plastic” is an even “fog”, making the entire film be fairly dark. It scans OK though, given you adjust for “underexposure” in Canon Scangar (Curves: Pull the very middle of the curve right almost 1/4 of the width).

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