Umgangatho ophezulu we-Optical Tube
ILens yokuGqalisela: Amalungu eLens yokuGxininisa adityaniswe ilensi emile okwe crescent kunye nelenticular convex lens ukulungisa ukuphambuka okungqukuva, kwaye emva koko ufumane indawo yokukhanya encinci ukufikelela kumandla okugxila kunye nesiphumo sokusika okubukhali.
Ilensi yeCollimator: Amalungu eCollimator atshintsha isibane sokuhambisa sibe sisibane esidityanisiweyo ngewasha, ukutshixa iringi enwebekayo kunye nelensi ephuma kumazwe angaphandle enophawu lomthamo omncinci kunye nelahleko esezantsi.