optical equipment
type: Concept
narrower: prisms
preferred label: optiska instrument @sv
preferred label: optiset laitteet @fi

lenses
type: Concept
preferred label: linser (optik) @sv
preferred label: linssit @fi
related: prisms

prisms
type: Concept
broader: optical equipment
in scheme: conceptscheme
preferred label: prismor @sv
preferred label: prismat @fi
related: refraction
related: lenses
related: spectra

spectra
type: Concept
preferred label: spektra @sv
preferred label: spektrit @fi
related: prisms

refraction
type: Concept
preferred label: brytning (fysik) @sv
preferred label: taittuminen @fi
related: prisms