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

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

magnifying glasses
type: Concept
broader: optical equipment
in scheme: conceptscheme
preferred label: förstoringsglas @sv
preferred label: suurennuslasit @fi
related: lenses