lens in Finnish
lens in Finnish
linssi
(optics) An object, usually made of glass, that focuses or defocuses the light that passes through it.
mykiö
(optics) An object, usually made of glass, that focuses or defocuses the light that passes through it.
poikkeutuskela
A device which focuses or defocuses electron beams.
linssi
A device which focuses or defocuses electron beams.
linssi
(geometry) A convex shape bounded by two circular arcs, joined at their endpoints, the corresponding concave shape being a lune.