Domin samun ingantaccen kwanciyar hankali na zafi, an ƙera wannan ruwan tabarau ta amfani da gilashin Chalcogenide mai daidaito (maimakon Germanium na gargajiya). Matsakaicin zafin jiki na musamman na ma'aunin haske (dn/dt) na gilashin Chalcogenide, tare da ƙirar gani ta zamani, yana rama lalacewar zafi ta atomatik. Wannan yana tabbatar da cewa babban buɗewar F1.0 yana isar da hotuna masu kaifi, masu bambanci sosai a cikin sanyi ko zafi mai tsanani, daga -40°C zuwa +80°C.
An mayar da hankali kan samar da samfuran gani masu inganci na tsawon shekaru 20 a cikin Wavelength.