Electro-Focus (EF) lens control provides ruggedized, all-in-one EF-lens control solution for Prosilica GT large format camera. GenICam feature access simplifies lens control by negating need for any serial commands. When equipped with EF lens, camera can automatically focus sequentially on subjects in different distances. In addition to the changing focus, aperture and focus control adjusts lens aperture as light conditions change. EF-mount lenses support PoE.