It is called a reversal film because the film in the first flush is negative, the midway exposure again after appearing to as. Therefore, washing and negative, reversal film using E-6 technology, while the negative by C-41 technology. In the brightness and clarity than negative is much better, the color is also very good.
Black and white film and color film, either positive or negative film, has a black and white film and color film.
Branch. Color reversal film for the subject.Hong Kong water slide After the reversal process can be directly obtained with the scene brightness, color consistent as, can be directly used for screening and printing plate. Features are: the contrast ratio greater than negative, positive small; tolerance than negative than positive small, large; the lowest density is small, the base is a colorless transparent.
Reversal film ( i.e., positive) is used for prints, slides and film copies of the film. It can make the negative plate negative printed is positive, so that the image brightness or color and object are the same. The positive sense of black and white color only purple blue light,HK plastic woodcolor positive color capability than the color turn over a weak, therefore, rarely used in photography. Color positive film used for printing color screening of copy ( film, slide ). Features are: high contrast, high resolution, low fog degree, low sensitivity.
Classification and practical use
Reversal film color and black and white points, now that the inversion is Color Reversal Film, commonly used in still photography. Called for the film to be justified: developing the first stage into is negative, then the color dyes formed as. Reversal film is taken after reversal can be obtained directly as a photosensitive film. Color reversal film can be directly obtained from the image to be photographed with dark body transparent sheet; color reversal film can be directly obtained from the color and the object is the same transparency,Hong Kong safety surface its true color is bright, but tolerance is smaller. Reversal film because of the high-quality as results, it has been widely used in the printing plate or slides, a professional photographer in advertising photographs are color reversal film.
Reversal film can be directly put the slide machine playing, but to wash into the photo doesn't have trouble, all digital printing shop can print. For the journals is the best exposure to normal, because of lack of exposure may be loss of shadow detail, thus affecting the printing effect.




