Filipa César & Louis Henderson, Sunstone (still), 2017, single-channel video, installation view. ANDY KEATE/COURTESY THE ARTISTS; CO-COMMISSIONED BY GASWORKS AND CONTOUR BIENNALE 8, MECHELEN

Filipa César & Louis Henderson, Sunstone (still), 2017, single-channel video, installation view.

ANDY KEATE/COURTESY THE ARTISTS; CO-COMMISSIONED BY GASWORKS AND CONTOUR BIENNALE 8, MECHELEN

Pictures at an Exhibition presents images of one notable show every weekday.

Today’s show: “Filipa César & Louis Henderson: Op-Film: An Archaeology of Optics” is on view at Gasworks in London through Sunday, June 25. The collaboration exhibition presents a newly commissioned film and installation by the two artists.