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A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in a narrow beam towards the object and measuring the time taken by the pulse to be reflected off the ...
These expert-recommended range finders from Maven, Bushnell, Nikon, and others can help you nail accurate, ethical shots.
The Mk 1 Ballistic Computer was the first rangekeeper that was referred to as a computer. Note the three pistol grips in the foreground, which are the firing keys of the main guns. The left sounds an alarm that the guns are about to fire, the center fires in automatic mode (Range Keeper controlled), and right is manual firing.
Coincidence rangefinders work through the principle of triangulation. In the pictured example, triangulation can be used to determine the range of the ship 𝑑.The position of the lenses A and B are known, and the angle of the lenses α and/or β is set by the operator so that both are aimed at the target.
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. It looks similar to a coincidence rangefinder , which uses different principles and has only one eyepiece.
It featured manually selectable frames for 35 mm/90 mm, 50 mm, and 75 mm lenses. The body, made of polycarbonate plastics, was not comparable to that of a Leica but was solid enough. All in all it was an inexpensive, all-manual rangefinder with TTL metering at a significantly lower price than a comparably equipped Leica M camera. It was ...
The next Hi-Matic model, which was called the Hi-Matic 7 SII and came out in 1977, was considered to be one of the finest Minolta rangefinders. It featured a 40 mm f/1.7 lens and shutter priority automatic exposure in addition to manual controls, all in a compact package.
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
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