Pinhole imaging, pinhole photography
Before the implementation, Shi Guorui will solve various technical problems by investigating on the scene and designing photography plan in advance. On-the-spot sensitization often needs to spend several hours.
In the room of the shooting site, Shi Guorui firstly covered all the doors and windows with thick black cloths as the camera obscura. Then made a 1.62mm pinhole on the black cloth facing Chaotianmen as the camera lens. Finally he hang a photographic paper with 4-meter length and 2.6-meter width on the wall facing the pinhole as the negative.