PhotographerMatsopoulos N. Theofanis
Location of photoPenteli Observatory, Greece
Date/Time of photo18/11/2011
EquipmentCamera:Canon EOS 40D
Lens:Canon Canon EF 15mm f/2.8 at f/5.6
DescriptionThe Newall telescope is one of the bigges refractors of the world. It was made by T. Cooke and Sons in 1869.It was named after Robert Stirling Newall.The lens is 25 inches in diameter. Its tube is approximately 9 meters long. The whole construct weighs about 9 tons. The telescope belongs at the National Observatory of Athens.