A lenzi ya kamera ya dashcamni ubwoko bwa kamera ikoreshwa na kamera ya dashboard cyangwa "dashcam". Ilensi ya kamera isanzwe ifite inguni nini, ituma ifata ahantu hanini uvuye kuri dashboard cyangwa ikirahuri cy'imodoka. Ibi ni ingenzi kuko kamera igenewe gufata ibintu byose bibaho mu gihe utwaye imodoka, harimo impanuka, impanuka, cyangwa ibindi bintu bishobora kubaho mu muhanda. By'umwihariko, DVR y'ikirahure cy'imodoka ishobora gufata amashusho y'imiterere y'umuhanda, imiterere y'imodoka, n'imyitwarire y'umushoferi, harimo umuvuduko, kwihuta, na feri. Aya makuru ashobora gukoreshwa mu kumenya uwagize ikosa mu mpanuka, cyangwa mu kumenya icyateye ibindi bibazo mu muhanda. Uretse gutanga ibimenyetso mu gihe habaye impanuka cyangwa impanuka, DVR y'ikirahure cy'imodoka ishobora no gukoreshwa mu kugenzura no kunoza imyitwarire yo gutwara. Amwe mu mamodeli arimo ibintu nka GPS yo gukurikirana, ishobora gukoreshwa mu gukurikirana aho imodoka iherereye n'umuvuduko wayo, ndetse no kumenyesha abashoferi imyitwarire iteje akaga yo gutwara.
Ubwiza bwa lenzi ya dashcam bushobora gutandukana bitewe n'uwakoze kamera n'icyitegererezo cyayo. Zimwe muri dashcam zikoresha lenzi nziza cyane zagenewe gutanga amashusho asobanutse neza ndetse no mu gihe cy'urumuri ruto, mu gihe izindi zishobora gukoresha lenzi mbi zikora amashusho adasobanutse neza cyangwa yakuweho amazi.
Niba ushaka kamera ya dashcam, ni ngombwa kuzirikana ubwiza bw'ikirahuri mu gihe uhitamo. Shaka kamera ikoresha lensi nziza kandi ireba kure kugira ngo urebe neza ko ufata amashusho yose ari mu rugendo.