The picture was made with the Canon 5D mark II and a 400mm-lens. It consists of 1.665 full format pictures with 21.4 megapixel, which was recorded by a photo-robot in 172 minutes. The converting of 102 GB raw data by a computer with a main memory cache of 48 GB and 16 processors took 94 hours. With a resolution of 297,500 x 87,500 pixels (26 gigapixel) the picture is the largest in the world. http://www.paris-26-gigapixels.com/index-en.html
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