Vaya. https://www.dresden-26-gigapixeles.com/dresden26gp. Copio y pego características técnicas.
Technical characteristics.
The picture was made with the canon 5D Mark I 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 caché of 48 Gb and 16 processors tok 94 hours. With a resolution of 297.500 por 87.500 píxel (26 gigapixel) the picture is the largest in the world. (stand diciembre 2009).