lensing

Noun

 * 1) The focussing of light as if by a lens.
 * 2)  The process of shooting a film.
 * 3) * 1985, Variety's Film Reviews: 1983-1984: review of "Rhinestone"
 * Directed in low-down, good-spirited vulgar fashion by Bob (“Porky's") Clark, who took over from Don Zimmerman after two weeks of lensing, film is a genuine oddball.