I-ToF yisifinyezo se-Time of Flight. Inzwa ikhipha ukukhanya okuseduze kwe-infrared okushintshiwe okuboniswa ngemva kokuhlangana nento. Inzwa ibala umehluko wesikhathi noma umehluko wesigaba phakathi kokukhishwa kokukhanya nokubonakaliswa futhi iguqula ibanga lesithombe esithathwe izithombe ukuze ikhiqize ulwazi olujulile.

Ikhamera yesikhathi sokundiza inezingxenye eziningi, enye yazo ilensi ye-optics. Ilensi iqoqa ukukhanya okubonakalayo bese ithwebula indawo ezungezile iye ku-sensor yesithombe eyinhliziyo yekhamera ye-TOF. Isihlungi se-optical band-pass sidlulisa ukukhanya ngobude obufanayo neyunithi yokukhanyisa. Lokhu kusiza ukucindezela ukukhanya okungabalulekile nokunciphisa umsindo.
Ilensi yesikhathi sokundiza (Ilensi ye-ToF) uhlobo lwelensi yekhamera esebenzisa ubuchwepheshe besikhathi sokundiza ukuze ibambe ulwazi lokujula endaweni yesehlakalo. Ngokungafani namalensi endabuko athwebula izithombe ze-2D, amalensi e-ToF akhipha ama-pulse okukhanya kwe-infrared futhi alinganise isikhathi esithathwa ukukhanya ukuze kubuyele emuva ezintweni ezisesigcawini. Lolu lwazi lusetshenziswa ukukhiqiza imephu ye-3D yendawo yesehlakalo, okuvumela ukuqonda okunembile kokujula kanye nokulandelela izinto.
Amalensi e-TOF avame ukusetshenziswa ezinhlelweni zokusebenza ezifana namarobhothi, izimoto ezizimele, kanye ne-augmented reality, lapho ulwazi oluqondile lokujula lubalulekile khona ukuze kubonwe kahle futhi kwenziwe izinqumo. Asetshenziswa nakwamanye amadivayisi kagesi abathengi, njengama-smartphone, ezinhlelweni zokusebenza ezifana nokubona ubuso kanye nokuzwa ukujula kwezithombe.
I-Chancctv ibilokhu igxile ekuthuthukisweni kwamalensi e-TOF, futhi ithuthukise uchungechunge lwamalensi e-TOF anikezelwe ku-UAV. Amapharamitha angenziwa ngokwezifiso ngokuya ngokusetshenziswa kwangempela kanye nezidingo ukuze kuhlangatshezwane nezidingo zezimboni ezisezingeni eliphezulu.