01 Ukusetshenziswa kwe-centering locator kudlulela ngale kwesitolo se-optical. Iphinde isetshenziswe esigabeni socwaningo nentuthuko yemiklamo emisha yezingubo zamehlo. Ngokubeka amalensi ngokunembile, abaklami bangahlola futhi bahlole ukusebenza kahle kwezinhlanganisela ezihlukahlukene zozimele namalensi, okuholela ekusungulweni kobuchwepheshe bezingubo zamehlo.
Kafushane, indawo emaphakathi yokubeka ilensi yengilazi yamehlo iyithuluzi elihlukahlukene nelibalulekile embonini yezingubo zamehlo. Ukunemba nokuthembeka kwayo kuyenza ibaluleke kakhulu ekuqinisekiseni ukulungiswa kombono okuphelele, ukunethezeka kwalowo oyifakile, kanye nokuqanjwa okusha ekwakhiweni kwezingubo zamehlo. Kusukela ekukhiqizeni kuya ekufakeni nasekulungiseni, indawo emaphakathi idlala indima ebalulekile ekuletheni izingubo zamehlo zekhwalithi ephezulu kubathengi.