What does Quan Huafu mean and what is Quan Huafu?

1, Quan Huafu (or Quan Huafu, 135 Quan Huafu, English: Full Frame, German: Kleinbild Film) is a photographic term, which refers to the size of the photosensitive area of 36×24 mm This specification is used to describe the imaging circle index of the lens and the size of the photosensitive element.

2. Although the 35mm cassette has been used in the film industry for a long time and the early still cameras are widely used, it is generally 18x24mm. Kodak standard KS- 1870 determines to use 35mm film and keep the format of 36×24mm as135; Since then, Leica's Leica I camera has also made this standard an application practice.