Glass was used as a lens protector. Now we use plastic.
processing film chemicals used /unused
Artists, school children as an art education tool, photography (in the days before color photography they used them to colorize), industry to mark on leather, wood, glass and metal.
Slow film speed (ISO) will make a photograph grainier. It also will be more likely to blur the subject, so you should use a tripod if at all possible. Faster speeds of film are used for capturing action shots.
FPG International Stock Photography USED TO be an independent stock photography company, but getty images bought out FPG International Stock Photography
it is silver
Are you asking about film used for still photography, or 'film' as in 'movies'? The first flexible film (as opposed to glass plates) for still photography was around in the 1930s, there was a colour movie system demonstrated in the 1920s. Neither was very true to life.
It is widely used in standard film-based (pre-digital) Photography.
It is widely used in standard film-based (pre-digital) photography.
processing film chemicals used /unused
Chemistry is essential in photography for developing film and creating prints. Chemical reactions are used to expose light-sensitive materials, such as silver halide crystals in film, to create an image. Understanding the chemical principles behind these processes helps photographers control the look and quality of their photographs.
The standard 35mm film print sizes used in photography are typically 4x6 inches, 5x7 inches, and 8x10 inches.
Glass was used before film was invented.
"Fast" film registers light more quickly than slow film. Fast film is usually used for low light photography, high speed photography (for sports, etc.) or similar needs.
Foot candle
Foot Candle
Silver halide compounds, such as silver bromide and silver chloride, are commonly used in photography. These compounds are sensitive to light and form the basis of traditional photographic film and paper processes where they react with light to create a latent image that can be developed into a visible photograph.
There is no specific situation in which film ought to be preferred. Preferences for the use of film vs. digital are different for each individual photographer. However, traditionally black and white film photography is seen as what is used for the medium of 'fine art photography'. Other then that it all comes down to individual habits.