Chifukwa 1: Kugwira ntchito kwa nthawi yayitali, kutentha kwa madzi mu thanki kumakhala kokwera kwambiri.
Yankho: Sinthani madzi ozizira.
Chifukwa chachiwiri: Lenzi yowala yosatsukidwa kapena yosweka.
Yankho: Kuyeretsa ndi kusintha.
Chifukwa 3: Focus Lens yosatsukidwa kapena kuphulika.
Yankho: kuyeretsa ndi kusintha.