Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion...
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Transcript of Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion...
![Page 1: Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion is converted into a visible image is called developing.](https://reader036.fdocuments.net/reader036/viewer/2022062618/5513c2f555034646298b4a85/html5/thumbnails/1.jpg)
Film Developing – B & W
![Page 2: Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion is converted into a visible image is called developing.](https://reader036.fdocuments.net/reader036/viewer/2022062618/5513c2f555034646298b4a85/html5/thumbnails/2.jpg)
Film Developing – B & W
The process by which the latent image in an
exposed photographic emulsion is converted
into a visible image is called developing.
The image obtained is in reverse tone &
hence termed negative.
![Page 3: Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion is converted into a visible image is called developing.](https://reader036.fdocuments.net/reader036/viewer/2022062618/5513c2f555034646298b4a85/html5/thumbnails/3.jpg)
Film Developing – B & WDuring developing a B & W exposed film passes through the following stages :-1. Developer – converts the exposed silver
halides into black metallic silver of different density.
2. Stop bath – Stops the action of the developer.
3. Fixer – Dissolves the unexposed silver halides.
4. Wash - To wash the traces of fixer.
![Page 4: Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion is converted into a visible image is called developing.](https://reader036.fdocuments.net/reader036/viewer/2022062618/5513c2f555034646298b4a85/html5/thumbnails/4.jpg)
Film Developing – B & W
Developing time depends on :-
1. Nature of developer – Different formulae of
developers have different developing times.
2. Temperature - More the temperature less the
developing time & vice versa.
3. Film Speed – More the film speed more the
time.
4. Dilution of developer – More the dilution more
the time.
![Page 5: Film Developing – B & W. The process by which the latent image in an exposed photographic emulsion is converted into a visible image is called developing.](https://reader036.fdocuments.net/reader036/viewer/2022062618/5513c2f555034646298b4a85/html5/thumbnails/5.jpg)
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