teleskop
type: Concept
preferred label: telescopes @en
preferred label: kaukoputket @fi
related: linser (optik)

optiska instrument
type: Concept
narrower: linser (optik)
preferred label: optical equipment @en
preferred label: optiset laitteet @fi

linser (optik)
type: Concept
broader generic: optiska instrument
alternative label: linser -- optik
broader: optiska instrument
in scheme: conceptscheme
preferred label: linssit @fi
preferred label: lenses @en
related: glasögon
related: brytning (fysik)
related: prismor
related: förstoringsglas
related: kontaktlinser
related: objektiv
related: mikroskop
related: teleskop
related: kikare

kikare
type: Concept
preferred label: binoculars @en
preferred label: kiikarit @fi
related: linser (optik)

kontaktlinser
type: Concept
preferred label: piilolasit @fi
preferred label: contact lenses @en
related: linser (optik)

mikroskop
type: Concept
preferred label: microscopes @en
preferred label: mikroskoopit @fi
related: linser (optik)

förstoringsglas
type: Concept
preferred label: magnifying glasses @en
preferred label: suurennuslasit @fi
related: linser (optik)

glasögon
type: Concept
preferred label: spectacles @en
preferred label: silmälasit @fi
related: linser (optik)

objektiv
type: Concept
preferred label: objektives @en
preferred label: objektiivit @fi
related: linser (optik)

prismor
type: Concept
preferred label: prisms @en
preferred label: prismat @fi
related: linser (optik)

brytning (fysik)
type: Concept
preferred label: refraction @en
preferred label: taittuminen @fi
related: linser (optik)