Kodak c 41 control strips manual#
Kodak c 41 control strips iso#
Kodak c 41 control strips professional#

The top 2 strips were developed with the Jobo processor (continuous agitation) and the two strips on the bottom were developed with manual agitation (15 second of twisting and then 3 inversions every minutes). The picture on the right shows the result. To check this, I made my own experiment and developed two pieces of the same film at the same time, using the same chemical and same 30☌ temperature but one in the Jobo processor and the other one manually agitated with my usual agitation scheme of 15 sec twisting and 3 inversions every minutes. This is not so much of a problem when using lower temperatures and longer times. The thing is that when using 38☌ the development is so quick that agitation needs to be perfect in order to get even negatives. The instructions are written mainly for using a rotary processor so it is easy to jump to the conclusion that you need a processor for C-41, however, this is not the case at all. Temperature: why use 30☌ instead of 38☌ ? Bellow are the reasons / explanations / discussions / experiments for the different choices.

Kodak c 41 control strips professional#

I would use a different strategy if doing higher volume or professional work. I believe that it is a good process for me or any body developing low volume manually. So far, that is the process that I have come to and I get results which I am happy with. I have not decided what the best strategy is as far as some possible drying marks vs some possible scratches but that is not specific to color negative film :-) I do not use and squeegee but sometimes remove some of the liquid from the film by squeezing it between two fingers.

Stabilizer at 30☌ for 1'00' with slow continuous agitation (with twisting the stick).

Repeat the last if the wash water is not clear (with some film it is necessary). 20 inversions, let it sit one minute + dump. Tap the tank and put it back in the 30☌ water bath after every agitation.

Blix at 30☌ for 6'00' with agitation the first 15s (with twisting the stick) and 10s (3 inversions) every minute.

Stop bath at 30☌ for 0'30' with continuous agitation (with twisting the stick).

I dispose of the chemistry after the 10th batch. To account for the Developer being re-used and slightly diluted, after the 5th batch developed with the same 1L of developer, I increase the time to 9'00' instead of 8'00'.

C-41 Developer at 30☌ for 8'00' with agitation the first 15s (with twisting the stick) and 10s (3 inversions) every minute.

Load the film in the developing tank and put the tank in the 30☌ bath as well for about 5 minutes.

Prepare a water bath at 30☌ to bring all chemicals to temperature (Developer, Stop, Blix and Stabilizer).

The better your lens is, the better it will look.Here is the development process I currently use:

It’s grain is nearly unnoticeable in 135 format, and invisible in the larger formats. Resolution/GrainĮKTAR_100 has excellent resolution and very fine grain. Dynamic Range/Exposure LatitudeĮKTAR_100 has excellent dynamic range and can easily be the film that most other C-41 films are compared to in terms of shadow detail and highlight detail. EKTAR_100 has enough over-exposure headroom to handle 3-4 stops over exposure.

Kodak c 41 control strips iso#

It is recommended that you incident meter for the darkest part of the image where you want to retain detail and subtract 2 stops from that, or if you don’t have an incident meter, place your exposure compensation to +1, or manually set the ISO of your camera to ISO 50 and that will result in totally usable negatives. Exposure GuidanceĬ-41 color negative films are pretty standardized, where you have roughly 4 1/3 stops of shadow detail below middle gray and several stops of detail above middle gray, and EKTAR_100 is no different. The C-41 process is very standardized, and we monitor our process with Kodak control strips to ensure that the process is within specification to ensure that the film is correctly developed.

If you send your film in to us here at Simple Film Lab, we develop EKTAR_100 with Kodak’s Flexicolor line of C-41 processing chemicals. Ektar 100 has ultra-vivid color and saturation relative to their Portra line and is ideal for landscapes, fashion, and product photography. This film features medium speed (ISO 100/21° in the standard Kodak C-41 process), very fine grain, daylight (5500K) color balance, and fine resolving power. It was released in 2008 and is available in 35mm roll, 120 roll, and 4×5 sheet formats. Ektar 100 is a professional fine grain film with ultra-vivid colors for nature, travel & fashion photography. This tech page is for Kodak Ektar 100 Film, or EKTAR_100, which is it’s film code. Created/modified Kodak Ektar 100 Film Profile/Review