Alhazen's problem, quoted near the beginning of this article, appears in Book V. Although we have quoted the problem for spherical mirrors, ibn al-Haytham also considered cylindrical and conical mirrors.
Alhazen ng problema, quoted na malapit sa simula ng artikulong ito, ay lumilitaw sa Book V. Kahit na kami ay quoted ng problema para sa pabilog mirrors, Ibn al-Haytham din itinuturing bumbong at alimusod mirrors.