fokaalinen
Fokaalinen is a Finnish adjective meaning related to a focus or a focal point. It is formed from the noun fokus with the suffix -inen, and it is used in technical and scientific Finnish to describe properties, phenomena, or constructions tied to a focal point or region where energy, attention, or images concentrate.
In optics and photography, fokaalinen describes aspects connected to the focal point of a lens or imaging
The word is relatively specialized in Finnish; in everyday usage, speakers more often use fokus or terms