11/23/2023 0 Comments C41 photo lab![]() ![]() Another difference is Borax (Sodium tetraborate), added in C-9165 version of the first developer. Here I found the ratio - Fenidone shall be added at about 10% or less of the quantity of Metol. Here is (almost) side-by-side comparison for the first developer of AP-41 and C-9165:īesides Sodium salts replaced by Potassium (I know there are replacement ratios, but never went to calculate if these are exactly applied here), Metol was replaced by Fenidone. (BTW, have a look at this great site, there are tons of information and details about old Agfa, Kodak and many other photo materials, photo chemistry, etc. Thank you, Maurice!). Thanks to Photomemorabilia web site (and Maurice Fisher who runs it, I could get the formula of the first developer only - here it is (scroll to the end of the page). I think Agfa never published the complete set of recipes. As I have all the details about C-9165, that was not the case with Agfa Process 41 - very limited information is available on the internet. So I decided to compare the recipes for the two processes. ![]() It follows same steps (first developer, stop, re-exposure to strong light, color developer, etc.). Reading the leaflet, I remembered another very similar process, ORWO C-9165. Here is the leaflet with mixing instructions: Recently I found an excellently kept set of chemicals for AP-41. ![]() It was in a firm use in the ’70s before Agfa introduced Agfachrome 200 film in about 1981 and, logically, Agfa Process 44. In the heaven of slide films, on the stairway to E-6 one of the last steps was this very process. ![]()
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