Visual bionic photosensitive imaging device and application method

The invention discloses a visual bionic photosensitive imaging device and an application method. The visual bionic photosensitive imaging device comprises a rigid body lens group, an aperture diaphragm, a bionic adjustable lens module, a micro air pump, a telescopic device, a variable image distance bionic image sensing element, a shell and a pitching rotation module, a rigid body lens group, an aperture diaphragm, a bionic adjustable lens module and a variable image distance bionic image sensing element are coaxially arranged in the shell in sequence; the miniature air pump and the telescopic device are installed in the shell, and the variable image distance bionic image sensing element can slide in the axial direction relative to the shell. The bionic adjustable lens module comprises a first adjustable lens, a second adjustable lens and a porous glass inner lens; the first adjustable lens and the second adjustable lens are respectively in threaded connection with the porous glass inner lens and are sealed b