The difference between black roll and white roll, black roll and white roll in Yuan Teng.

1. Black and white film is a kind of traditional film, but the photos taken by black and white film have no color and no details. White film is unexposed pure white film.

2. Black-and-white volumes are suitable for photographers who don't have high requirements on the color of the shooting results. The black roll is suitable for checking whether the camera flash works normally or whether the camera is firm. White roller can change its chemical behavior by adding different chemicals in the laboratory.