Manuscript copies of Alhazen's Book of Optics also propagated across Europe before 1240, as evidenced by its incorporation into Vitello's Perspectiva.
Idakalan atiwəktabnen ən alkad ən ahanay wan Alhazen eqalan atwəssəjət dǎɣ Euroba dat 1240, sund dǎɣ tajuhe mertay iness dǎɣ Bersbektiva ən Vitello.