Ironically, it takes much longer for my Epson 2450 scanner to scan the negatives at 'proof' resolution (800-1000 dpi). 15-18 minutes (including loading the tank and hanging the film to dry). The time involved in processing a roll of film is c. I will continue to process my own C41, based on my adjustments to the Arista C41 instructions. This seems to explain the necessity of a presoak step as well: The presoak dissolves the filter layers between the emulsions, which eliminates one of the tasks of the developer, and also eliminates two of the layers that must be penetrated to develop the color sensitive emulsions. The blue-sensitive layer is the topmost layer of the emulsion and would be the most thoroughly developed of all three layers. The blue cast I got from the roll I misprocessed (temp 2 degrees off & no presoak) seems to match that. Apparently the developer is able to do this consistently only above a certain temperature. In order to fully develop the film, all emulsion layers must be developed. I've seen one explanation for this that makes sense-perhaps a better informed forum member can correct/expand on this.Ĭ41 film has multiple emulsion layers (separated by colored filter layers), B&W does not. You will see temperature control mentioned over and over as very important for C41.
On the first couple rolls I developed I was dismayed by blocky highlights, so I increased Blix agitation times above the instructions.Ĭhemistry was prepared using glass graduates and used one-shot (well kind of: I processed four rolls consecutively adding 15 seconds per roll).įilm was developed in a very old Ansco tank that came from an estate sale-it's still light tight.Ĭhemistry was brought to temp using a microwave on medium heat. I added 15 seconds to each subsequent roll of film developed.īlix - Based on the comments of the retired Kodak engineer that frequently posts on photography boards, I was concerned about residual silver due to a Blix process. 3 seconds, and got results that, on the whole, I was more pleased with. The Arista instructions state 4 inversion cycles every 30 seconds, with no equivalent for an old-style plastic tank that can't be inverted-I initially agitated for c. For the second batch I cut developer agitation in half: I still agitated every 30 seconds, but reduced agitation time per cycle. This was my experience as well on the first batch of film I processed. Presoak - I know some have complained of a color cast from a presoak, and I was concerned about that as well, but in fact, I got a color cast from processing a roll without the presoak.ĭeveloper - Non-Kodak/Fuji C41 processes have been described as contrasty.
Stabilizer/wetting agent - 15 seconds initial agitation, 1 minute soak Agitation recommended every 30 seconds.īlix - Most boring part of the process: 6.5 minutes, with agitation every 30 seconds. I processed the first roll at 100 and got very blue negatives. This brings the film, tank, and reel up to processing temp, and begins to dissolve out the filter layers (Fujicolor turns the water magenta).ĭeveloper - Everything you read about developer temperature is true. Process : (I used individual tanks, not a processor) I bought a quart kit and mixed it up as two 'one shot' solutions, and ran 4 rolls of 24x35 through each solution. 102 degree final solutions, based on room temperature concentrates. Mixing chemistry : The instructions contain water temperatures that will result in c. Just thought I'd post my experiences with the Arista C-41 kit sold by Freestyle.Ĭost : $26 for the kit, $5 for shipping - max.
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