اظهار الأفلام الرفرسال المتعددة الطبقات٢_a .. كتاب التصوير الملون ، عبد الفتاح رياض

respectively, as each layer has silver positive images. Therefore, it is necessary to work on melting the images of the silver so that nothing remains on the film except the images of the three dyes. The silver is dissolved in a special bleaching bath solution

What we mentioned above is nothing more than a summary of the main steps only, as there are other steps between the previous stages that we did not mention, such as washing operations, stopping or increasing hardness, and it may replace exposure operations by using special solutions that will create a shelf called Fogging. developers Haze, which is who knows

Since the factories producing this type of film did not publish any detailed data on showing it, so we are satisfied here with this certain amount of it.

(fig. 55)

Formation of colored images according to the method of addition:

(1) Filming the original subject begins through three filters, one of which is red, the second green, and the third blue, on three separate “black and white” films. The images resulting from this stage are what we call Color separation negatives.

(2) By printing the color separated negatives on raw films (black and white » Also, you get three Color separation positives

(3) Each of the three color-separated positive images is placed in a special projector for each and every image, so that the rays emitted from the first are red, from the second is green, and from the third is blue. The colored rays emitted by the three sources on top of each other produce the final colored image.