Oku kukhanya kuhlangeneyo kubonisa ikliphu eyakhelwe-ngaphakathi kunye nomsebenzi wemagnethi, obonelela ngokuqaqamba okuqinileyo kunye nokuphatheka. Iyakwazi ukujikeleza i-90 degrees kwii-angles zokukhanyisa ezilungelelanisiweyo kwaye ineendlela ezintathu zokukhanya. Ixhotyiswe ngezibuko lokutshaja lohlobo C kunye nebhetri enkulu, ilungele ukusetyenziswa xa uhamba.