Good image on left and fogged image on the right.
Good image on left and chemically fogged image on right.
Fogged image may be caused by:
- Exposure of film to light during storage.
- Leaving film unprotected (that is, outside the lead-lined box or in the x-ray room during operation of the x-ray machine).
- Use of film that has been exposed to heat or chemical fumes.
- Use of improperly mixed or contaminated developer - faulty processing.
- Defective safelight.
- Use of outdated film.