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Stereoscopic rangefinder atop the bridge of the German cruiser Admiral Graf Spee Portable stereoscopic rangefinder with binoculars from WWII. A stereoscopic rangefinder or stereoscopic telemeter [1] is an optical device that measures distance from the observer to a target, using the observer's capability of binocular vision.
Rangefinder salvaged from the German cruiser Admiral Graf Spee on display in Montevideo The first rangefinder telemeter was invented by James Watt in 1769 and put to use in 1771 in surveying canals. Watt called his instrument a micrometer, a term now used with a different meaning in engineering (the micrometer screw gauge ).
Radar in World War II greatly influenced many important aspects of the conflict. [1] This revolutionary new technology of radio-based detection and tracking was used by both the Allies and Axis powers in World War II , which had evolved independently in a number of nations during the mid 1930s. [ 2 ]
This was in response to Allied night fighters accompanying the bomber streams to hunt the German night fighters while they hunted the bombers. The idea was to prevent Allied fighters attacking the German fighters from behind. Neptun 1 - FuG 216: A small number of experimental sets fitted to Fw 190 and Bf 109. Wavelength 1.3 to 1.8 meters.
This page contains a list of equipment used the German military of World War II.Germany used a number of type designations for their weapons. In some cases, the type designation and series number (i.e. FlaK 30) are sufficient to identify a system, but occasionally multiple systems of the same type are developed at the same time and share a partial designation.
Eyepiece image of a naval rangefinder, showing the displaced image when not yet adjusted for range. The coincidence rangefinder uses a single eyepiece. Light from the target enters the rangefinder through two windows located at either end of the instrument. At either side the incident beam is reflected to the center of the optical bar by a ...
Early in World War II, the range to the target was measured by optical rangefinders. Though some night operations were conducted using searchlights and star shells, in general optical rangefinders were limited to daytime operation. [10] During the latter part of World War II, radar was used to determine the range to the target.
The German FuG 10 panel, or rack, contained two transmitters and two receivers: One transmitter and its companion receiver operated in the MF or Longwave; 300 to 600 kHz (1,000 to 500 m) range and the other transmitter and its companion receiver operated in the HF or Shortwave range; 3 to 6 MHz (100 to 50 m). Most of the FuG 10 series used a ...
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