Campen Lighthouse is the tallest lighthouse in Germany, located by the Ems estuary, northwest of Emden. A lighthouse is a Tower, building or framework designed to emit light from a system of lamps and lenses or in older times from a fire and used as an Germany, officially the Federal Republic of Germany ( ˈbʊndəsʁepuˌbliːk ˈdɔʏtʃlant is a Country in Central Europe. The Ems (Ems Eems is a River in northwestern Germany and northeastern Netherlands. An estuary is a semi-enclosed Coastal body of Water with one or more Rivers or Streams flowing into it and with a free connection to the open Emden is a City and Seaport in the northwest of Germany, on River Ems. Campen Lighthouse is 65. 3 metres tall and is very remarkable for its structural type, which consists of a free-standing lattice tower with the stair shaft inside. Campen Lighthouse was built in 1889 and went in service in 1891. The lamp of Campen Lighthouse belongs with a light intensity of 4. 5 million candelas to the most powerful lighthouses in Germany. The candela (kanˈdɛlə /-ˈdiːlə/ symbol cd) is the SI base unit of Luminous intensity; that is power emitted by a light source in a particular The range of its light is approximately 55 kilometres. Remarkably, the aperture of its light has an angle of only 0. 3 degrees. The machine building contains the oldest workable diesel engine in Germany. It was built in 1906 and has a power of 15 kilowatts.