✋Hordhac
Iftiinka diiradda saarista
Darsigan wuxuu ku saabsan yahay sida muraayadaha (lenses) ay iftiinka u diiradda saaraan si ay u sameeyaan sawir. Waa qayb ka mid ah cutubka 'Making Images'. Waa inaad hore u garanaysaa in iftiiku toos u socdo iyo in muraayaduhu ay iftiinka u leexin karaan.
Natiijada casharka
Waxaan sharxi karaa sida iftiinka ka yimaada shay uu muraayad isku-urursan (converging lens) ugu diiradda saaro si uu u sameeyo sawir.