Paths of Paradies (Nahj al-faradis) Opaque watercolor, gold and ink on paper Written by al-Sara'i and comissioned by the Timurid ruler Abu Sa'id (r. 1451-1469), c. 1466, Herat "The Prophit Muhammad Encountering the Angel 'Azra'il
aperture=f2.8 focal length: 90.0 mm exposure 1/100 sec ISO: 5000