english: There is an XY stage, and then there is a focusing stage, which is a flexure mechanism that's built in paper itself that allows us to move and focus the lenses by micron steps.
non_english: Ugrađen je stolić za stakalca, i fokusni deo, koji je savitljivi mehanizam ugrađen u papir i dozvoljava nam da fokusiramo sočiva mikro koracima.