AGFACOLOR NEGATIVE FILM CN17

Another button on the printer increased the blue exposure and decreased the green and red exposures to make the print more yellow. Later sets of filters were supplied with a small Agfacolor print and the negative of this print. The negative and a print material would both have to be processed by the intricate method of the Kodachrome process. The sheet is dated July Infrared sensitive false color reversal film for IR photographic applications e. Description Agfacolor CN 17 Patrone.

The box on the left hand side has an expiry date of January , and a batch No. It was a multi-layer material, with the red sensitive emulsion containing the cyan dye coupler, coated next to the paper base. That is to say, if in the negative light has not acted at all on the emulsion there will be no blackening of silver and no conversion of the colour-forming material into the particular dye. The Bleach works only on the exposed, developed silver halide so the mask layer is unaffected Re-Exposure The film is re-exposed to blue light to print the two developed dye forming layers onto the mask layer. Therefore it was possible to expose the film by the light of blue or clear flashbulbs, daylight, photoflood, or tungsten light. Ektacolor Commercial paper was only manufactured in the UK. These filters were intended to be placed in the filter draw of the enlarger to correct colour casts on the Colour Print Paper. The technology was improved at a rapid pace.

The yellow dyes and the blue-green dyes in the negative could not be seen easily because they were formed in the Ultra Violet yellow and the Infra Red blue-green regions of the negative film.

Filtrations higher than 99 were deemed unlikely. Hot air drying in cabinets attached to processor.

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A premium ISO speed emulsion delivering exceptional color accuracy. Agfacolor paper CH was negatve introduced in Equally the function of the cyan is to absorb all red and reflect all green and blue.

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Printed on the last page of the manual were lists of Agfacolor films, Agfacolor papers, chemicals and filters which were available for sale to the amateur photographer.

These agffacolor the oldest colour photographs that the National Archives own. The chart above shows the 36 different filtrations in each of the three mosaic filters.

Forte Forte Photochemical Industry VAC was a Hungarian manufacture of photographic film and paper products originally established in This oxidizes the developer, which in turn combines with the dye couplers to make a dye image exactly at the point where the film has been exposed. Therefore, the other two exposures had to be decreased in proportion. When removing glass filters, or dialing down, the exposure time was divided by the appropriate exposure factor.

E coated paper, equivalent to Kodak Resin Coated base, R. Retrieved from ” https: The roll film was available in single rolls but the sheet film was only obtainable to Special Order. It may only be used according to the rules mentioned here.

Agfacolor CN17

It was then easy to tell if the filters were not in order of density when they were put back in their case or before the start of a printing session. Expiry date August Abfacolor rolls of 35mm and 46mm, Codeon acetate base. Professional-quality, medium-speed, negativs color reversal film with natural color reproduction for product photography, interiors and for reproducing illustrations and paintings RTPII. As explained above, the landscape area would have been both lighter than the sky and maybe twice the sky area the sky might have been only one third of the total negative area.

Rapid film – – The free camera encyclopedia

Discontinued before in roll-film formats, but sheet film was available until The purpose of a mask was to reduce the overall contrast which, if combined with the transparency when printing, would result in a better reproduction of the highlight and shadow areas in the print. Agfa produced tables of exposure factors for calculating exposures for all possible variations in filtrations. It was presumably based on the procedure with reduced processing times and one wash left out.

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The idea was, when the negative was printed onto Kodacolor paper, obviously through the base of he film,the mask would have held back some of the exposing negativee from the shadow areas of the negative, thus lowering the contrast. Agfa Vista Plus – 35mm format”.

Below is shown an example from believed to be or A; for a Wikipedia definition see below in At that time U. These were to be dissolved in 20 litres of water at about F. Production of aerial films continued at the Agfa-Gevaert, Mortsel plant some of which agfacokor been subsequently converted for retail sale by Maco Photo Products.

The mingling of different speed emulsion layers in different ratios is what makes the films differ in both film speed and colour saturation. In the long run, this method probably wasted less paper on test prints than the mosaic system. Unfortunately, the dyes produced by colour development in Kodacolor film were imperfect, particularly evident in magenta and cyan.

A Data release sheet, No. Daylight balanced fine grain color transparency film EPP.

Xgfacolor 5×5 grid has the advantage of showing a slightly larger area of each filtration on the test print. Colour casts due to varying colour temperatures of the lighting were corrected by printing filters and no colour compensating filters, such as the Kodak range of Light Balancing filters, or other makes, were advised.

Agfacolor CNS negative, taken February