Ingakwazi ukubona ukumaka kwe-laser yezindawo eziningi zensimbi nezingezona ezensimbi ezigobile ezinezinhlangothi ezintathu noma izindawo ezinezitebhisi, futhi ingagxilisa indawo enhle phakathi kwebanga lokuphakama elingu-60mm, ukuze umphumela wokumaka nge-laser ungaguquguquki.