HDR. 4 Exposure Value Jpg images combined Photomatix Pro software.
ISO: 400 Focal Lenght: 10 mm.
The Sultan Ahmed Mosque (Turkish: Sultanahmet Camii) is a mosque in Istanbul, the largest city in Turkey and the capital of the Ottoman Empire (from 1453 to 1923). The mosque is famously known as the Blue Mosque for the blue tiles adorning the walls of its interior.