Traditional Culture Encyclopedia - Photography and portraiture - Is the principle of the camera pinhole imaging or light reflection or refraction?

Is the principle of the camera pinhole imaging or light reflection or refraction?

The principle of camera is the principle of convex lens imaging.

Aperture imaging is a real image formed by the linear propagation of light.

Plane mirror imaging is a virtual image formed by light reflection.

Magnifier imaging belongs to convex lens imaging, which is a virtual image formed by light refraction.

Camera imaging belongs to convex lens imaging, which is a real image formed by light refraction.

Slide projector imaging belongs to convex lens imaging, which is a real image formed by light refraction.