Ilford Delta is a line of black-and-white photographic films produced by Ilford Photo. Known for its fine grain and high sharpness, Delta films are popular among both amateur and professional photographers. They are available in various ISO ratings, allowing users to choose the best sensitivity for their shooting conditions. The Delta series includes several types, such as Ilford Delta 100, Ilford Delta 400, and Ilford Delta 3200. Each type is designed for different lighting situations, from bright daylight to low-light environments. This versatility makes Delta films suitable for a wide range of photography styles, including portrait and landscape photography.