Developing times in standard developers: ISO 100 35mm, roll, or sheet film: If exposed at film's regular speed of ISO 100, the following developing times apply: Kodak D76/ID-11: 8 Min If ISO 100 film is exposed at ISO 200 for increased speed and optimum differentiation of highlights, the following developing times apply: Kodak D76/ID-11: 11-12 Min. ISO 50 35mm, roll, or sheet film: If exposed to films regular speed of ISO 50, the following developing times apply: Kodak D76/ID-11: 7 Min If ISO 50 film is exposed at ISO 100 for increased speed and optimum differentiation of highlights, the following developing times apply: Kodak D76/ID-11: 9-10 Min. ISO 25 35mm, roll, or sheet film: If exposed to film's regular speed of ISO 25, the following developing times apply: Kodak D76/ID-11: 6 Min If ISO 25 film is exposed to ISO 50 for increased speed and optimum differentiation of highlights, the following developing times apply: Kodak D76/ID-11: 8-9 Min. Copied f...