Photosensitive glass is similar to photographic film. Industrially, it is used as a solvent for the manufacture of pharmaceuticals and photographic film. One example of much needed chemicals were dyes for sensitizing photographic film. It is recorded as a single image on a photographic film. Traditional cameras capture light onto photographic plate or photographic film. Silver iodide is a major ingredient to traditional photographic film. At first the film was the same as photographic film. With the development of photographic film, the more accurate spectrograph was created. It was also used in gelatine emulsions in photographic film as hardener. This was the first successful return of photographic film from orbit. In 1884, George Eastman patented his ideas for photographic film. It is best known for photographic film products. It can be objectionably noticeable in an over-enlarged photographic film photograph. Baker-Nunn cameras which used photographic film. However photographic film manufacture ended in 2009.