What do you mean by making an appointment to see a movie?

Contract film is the photosensitive carrier of film camera, which is equivalent to cmos of this digital camera.

At present, a kind of mutual invitation shooting is popular, because models need photographers to take good photos for them, and photographers can keep the negatives of photos and hold their own needs, thus forming a free mutual invitation shooting.

However, it is a consumable that cannot be reused. After the exposure of the film camera, there is a chemical reaction, which leaves the image on the film (visible during development), and then uses it as a negative and photographic paper to make paper photos. This digital camera is more scientific. Cmos photoelectric conversion is used during exposure, leaving digital signal information. The built-in card can be used to output paper photos and can be stored in the computer when it is not needed.

The meaning of appointment

Auction is to sell at the appointed time. Generally, the theme and requirements of shooting are determined in advance, so that both parties can make preparations in advance. Auction transactions should be judged according to different situations. Some photographers need to pay models, and some models pay photographers. However, mutual auction is becoming popular.