tien Verove l'article est mal traduit mais ça donne une idée : http://translate.google.ca/translate?hl=fr&sl;=en&u;=http://www.erikmoberg.net/article/canon-ef-50mm-11-8-ii-vs-canon-ef-40mm-f-2.8-stm-which-to-get&prev;=/search%3Fq%3Dcanon%2Bef%2B50mm%2Bf/1.8%2Bii%2Bvs%2B40mm%2B2.8%26biw%3D1097%26bih%3D497