Vesicular Film

Vesicular film, almost universally known as Kalvar, is a type of photographic film that is sensitive only to ultraviolet light and developed simply by heating the exposed film.

Read more about Vesicular Film:  History, Description, See Also

Famous quotes containing the word film:

    You should look straight at a film; that’s the only way to see one. Film is not the art of scholars but of illiterates.
    Werner Herzog (b. 1942)