Is a person considered an apostate and outside the fold of Islam if he watches pornographic films that include adultery in an office located within the vicinity of a mosque construction project, and is expiation or any act required of him to atone for this sin?

Watching pornographic films is an obscene and forbidden act because it involves looking at private parts and watching adultery. The eye commits adultery, and its adultery is the gaze. The perpetrator does not exit the fold of Islam unless they deem it permissible. Whoever commits this act must repent, feel remorse, and resolve not to return to it. They should also increase good deeds and avoid bad company.