focus in Bulgarian

(uncountable, photography, cinematography) The quality of the convergence of light on the photographic medium.

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

(intransitive, followed by on or upon) To concentrate one's attention on something; to have as one's central point of interest, concern, etc.

(intransitive, followed by on or upon) To concentrate one's attention on something; to have as one's central point of interest, concern, etc.