Cross Processing Film – A complete guide
Oct 26, · Ok, first of all, you need to know that C is a normed process. This means that all films, whichever ASA they are, take the same amount of time to process. Oct 01, · Additional C Processing Details: We develop C film using Kodak Flexicolor chemistry. This developer is a long-time standard for processing Kodak color negative films in process C We offer push processing at no additional charge for C film. Max of 2 stops. We scan on the Fuji Frontier SP and the Noritsu HS
Home » Cross Processing Film. Cross Processing is intentionally processing film in the wrong chemicals, creating interesting and unpredictable color shifts and increased contrast. Fiml example, cross processing would be shooting a tilm of color slide film or E6 and developing it as if it were color negative film or C41 or whatt versa. Color slide film cross processing. Learn more about Slide Film Processing.
This is the most common type of cross processing. This typically creates increased contrast with strong color casts. You can expect muted, pastel colors with little contrast. You may want to increase contrast by asking the lab to push 2 or 3 stops.
Learn more about C film developing. Professional film developing and scanning for 35mm, medium, large format, and disposable cameras for over 40 years. Each film has its own unique look and characteristics and sometimes it can vary drastically. The most obvious difference in film is the color processung produced during development. Here are some color cast examples cross processing film is developed:. Because cross processing slide film tends to over expose the film, you may want to consider experimenting and under-exposing the film by about a stop.
Color Negative Film — When cross processing color negative film, the results are proccessing muted, with pastel colors with little contrast. Because of prcoessing, you how to use compact bender want to increase contrast by asking the lab to push 2 or 3 stops.
Because cross processing can produce some very strong color shifts you may want to consider adjusting the white point. When you get your film processed and scanned, you can adjust digitally in Lightroom, Photoshop or other image application. Most applications have a os balance tool even with cross processed film scans. This will adjust the white balance for you, then you can fine-tune it from there.
The same rules apply with yellow and blue color shifts — just move adjust the white balance in the opposite direction. Our experienced staff have literally developed millions of E-6 film rolls, processibg professional and reliable processing results every time! Learn more about our E-6 slide film developing. Close What proxessing of film do what is the continuity symbol on a multimeter have?
Your photos on cool stuff. Preserve Your Tapes and Film Today! Cross Processing Film — A complete guide Cross Processing is intentionally processing film in the wrong chemicals, creating interesting and unpredictable color shifts and increased contrast. Learn more about C film developing Photos: Laurent Butre. Online Film Developing Professional film developing and scanning for 35mm, medium, large format, and disposable cameras for over 40 years. Start your order.
View Index. Cross Processing Exposure Color Slide Film — Color slide film has a lower dynamic range than color negative film and when cross processing, it tends to boost the contrast between highlights and shadows. Adjusting White Balance Because cross processing can produce some very strong color shifts you may want to consider adjusting the white point.
What type of film do you have?
C is, in most cases, reserved for color film processing. On a C color film we have multiple layers, each one sensitive to a different color of light, producing the appropriate dye when developed. Cross Processing Film – A complete guide. Cross Processing is intentionally processing film in the wrong chemicals, creating interesting and unpredictable color shifts and increased contrast. For example, cross processing would be shooting a roll of color slide film or E6 and developing it as if it were color negative film or C41 (or visa versa). Jul 20, · C is a color negative process. Kodak makes a film that processes in C but prints black and white (only the reds are processed). This was for people who wanted the aethetics of b/w with the convenience of one-hour C processing. Your film was probably "real" black and white film (I am guessing TMAX or Ilford?).
C is a chromogenic color print film developing process introduced by Kodak in , [ citation needed ] superseding the C process. Processed C negatives, as with all color films, consist of an image formed of dye. Due to the long-term instability of dyes, C negatives can fade or color-shift over time. This was a significant problem with early films; whether the newer films are archival or not is a subject of some debate.
C film consists of an acetate or polyester film base, onto which multiple emulsions are coated. Each layer is only sensitive to a certain color of visible light.
In the classic illustrative example, there are three emulsions: one is red sensitive, another is green sensitive, and the top is blue-sensitive. Beneath the blue layer is a yellow filter, composed of dyes or colloidal silver. All silver-based photographic emulsions have some sensitivity to blue light, regardless of what other colors they may be sensitized for.
This filter layer serves to remove the blue light, which would expose the layers beneath it. Beneath the blue-sensitive layer and the yellow filter are the green and red sensitive layers. The illustrative example outlined above differs from the design of actual film, in respect to the number of layers. Almost all C films contain multiple layers sensitive to each color. Each of these layers has different speed and contrast characteristics, allowing the film to be correctly exposed over a wider range of lighting conditions.
In addition to multiple emulsion layers, real films have other layers that are not sensitive to light. Some films are top-coated with UV blocking layers or anti-scratch coatings. There also may be layers to space different emulsions, or additional filter layers.
Each emulsion layer, in addition to the light-sensitive components, contains chemicals called dye couplers. These couplers, located in the blue, green and red-sensitive layers, produce yellow, magenta and cyan dyes, respectively, when developed. The C process is the same for all C films, although different manufacturers' processing chemistries vary slightly.
After exposure, the film is developed in a "color developer". The developing ingredient is a paraphenylene diamine -based chemical known as CD The developer develops the silver in the emulsion layers. As the silver is developing, oxidized developer reacts with the dye couplers, resulting in formation of dyes. The control of temperature and agitation of the film in the developer is critical in obtaining consistent, accurate results.
Incorrect temperature can result in severe color shifts or significant under- or overdevelopment of the film. After the developer, a bleach converts the metallic silver generated by development to silver halide, which is soluble in fixer. After the bleach, a fixer removes the silver halide. This is followed by a wash, and a final stabilizer and rinse to complete the process.
There are simplified versions of the process that use a combined bleach-fix EDTA that dissolves the silver generated by development and removes undeveloped silver halide. These are not used by commercial C processors, and are marketed for home or field use. Like the black-and-white film process, the C process can be used to push-process films. Due to the complexity of the film and exacting nature of the process, the results vary widely; as with black-and-white negatives, the process generally results in a negative that is higher in contrast and sometimes higher in grain.
The resulting film is a negative, meaning that the darkest spots on the film are those areas that were brightest in the source. Nearly all C films also include an additional orange mask to offset the optical inadequacies of the dyes in the film.
These C negatives appear orange when viewed directly, though the orange base is compensated for in the formulation of color print materials. Some C films, intended for scanning, do not have this orange base. The finished negative is printed using color photographic paper to yield a positive image.
These films work like any other C film; development causes dyes to form in the emulsion. Their structure, however, is different. Although they may have multiple layers, all are sensitive to all colors of light, and are designed to produce a black dye.
The result is a black-and white image. The orange base on the Kodak film allows them to be printed with correct blacks on standard color printing machines, but this film can be difficult to print on multigrade black-and-white paper, whose contrast is determined by the use of a colored filter during the printing process. Conversely, the clear-based Ilford and Fuji films sometimes results in off-color prints on color paper, but can be optically printed on black-and-white paper, just like any other black-and-white film.
It is often said that prints from these films do not have grain. While they may not appear to have grain, this statement is technically incorrect. On an image from regular black-and-white film, the individual silver particles forming the image are seen as grain. The image on the C films, however, does not contain silver. Instead, C negatives and prints have clouds of dye, causing the resulting image to appear different from that of silver grain.
While regular black-and-white films are not intended for use with C chemistry, some photographers have used C developer to develop high-contrast black-and-white films such as traffic surveillance film and Kodak's Technical Pan. This is done in order to lower the contrast. In this application, only a silver image is formed; the bleach step of the C process is not used, as it would destroy the image.
It is also possible to cross-process slide film for the E-6 process in C, which yields negatives with a color shift and stronger saturation. C film also may be processed in E-6 yielding positive images with a strong green cast, caused by the orange mask. Varying brands and film speeds yield different color shifts producing bright, saturated colors and high contrast. C film can be processed in standard black-and-white chemicals, to produce a monochrome negative image.
The negatives will typically be of very low contrast, and cloudy, partly caused by the orange mask. From Wikipedia, the free encyclopedia.
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