As a lab offering this service, it is essential to run daily control strips – these are pre-exposed strips of film from Fujifilm or Kodak which are processed and then analysed on a densitometer by an experienced technician. The film is marked “E6” on the cassette or roll as per the image below.Į6 is a much more specialised process than C41. This film is also commonly known as Slide film or Positive film and when developed the images are positive, not negative. The choice is yours!Į6 process is required for all colour reversal film available today. From these negatives, positive, colour balanced, digital files can be made by scanning the images or we can make a set of prints, contact sheets, or you can simply have just the negatives for your own scanning or printing. Once processed, C41 colour negative film has the familiar orange-brown hue and the images are negative: highlights are dark, shadows are light and the colours are inverted to their complimentary: cyan for red, magenta for green and yellow for blue, although the orange-brown masking makes it hard to make out the colours.
#C 41 PROCESS BLACK AND WHITE FILM PROFESSIONAL#
Colour negative film type has been very widely used over the years and today, from disposable cameras through to the highest end professional shoots. This was also the only process commonly found in high street chemists and supermarkets.
Anyone shooting family snaps during the 70’s 80’s and 90’s would most likely have been using colour negative film for C41 process.
Do not try to open the cassette or un-spool a roll of film as you will fog (expose to light) and ruin the film. All film for C41 should be marked “C41” somewhere on the cassette or roll. There are 3 processes for stills photographic film: C41, Black & White and E6 C41Ĭ41 is the most common process today and is required to process all colour negative film manufactured since 1972. If you’re new to using photographic film for your photography, or if you found some film you need to process – how do you identify which process you need to order?
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