Muraayadaha F-Theta waxaa badanaa loo isticmaalaa iyadoo lala kaashanayo muraayadaha sawir-qaadista galvanometer-ka ee ku jira qaababka qorista laysarka, jarista, iyo calaamadaynta. Caadiyan qallooca F-Theta ee muraayadda waxaa lagu hayaa wax ka yar 1% si ay u awooddo inay soo saarto meel sax ah oo ku taal goobta fidsan ee sawirka.
Wavelength waxay diiradda saareysay bixinta alaabada indhaha ee saxsan ee sare muddo 20 sano ah