Focus

fuoco

(in optics)

fuoco

(in mathematics)

concentrarsi

((intransitive) to concentrate one's attention)

concentrarsi

((intransitive) to concentrate one's attention on something)

focalizzare

(to cause (rays of light, etc) to converge at a single point)

mettere a fuoco

((transitive, optics) to adjust (a lens, an optical instrument))