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2. Stereoscopic rangefinder - Wikipedia

   en.wikipedia.org/wiki/Stereoscopic_rangefinder

   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. German instruments tended to use the stereoscopic ...

3. Night-vision device - Wikipedia

   en.wikipedia.org/wiki/Night-vision_device

   In mid-1943, the German Army began testing infrared night-vision devices and telescopic rangefinders mounted on Panther tanks. Two arrangements were constructed. Two arrangements were constructed. The Sperber FG 1250 ("Sparrow Hawk"), with a range of up to 600 m, had a 30 cm infrared searchlight and an image converter operated by the tank ...

4. Bushnell Corporation - Wikipedia

   en.wikipedia.org/wiki/Bushnell_Corporation

   Binoculars: Bushnell sells a wide variety of binoculars and was awarded the Best Buy award from Outdoor Life magazine in 2005 for their Browning Sports Optics binoculars and in 2006 for their Legend binoculars. [22] [23] Microscopes; Telescopes: Bushnell made smaller amateur optical telescopes. Some popular models include the "ARES 5", and the ...

5. Coincidence rangefinder - Wikipedia

   en.wikipedia.org/wiki/Coincidence_rangefinder

   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 ...

6. List of the United States Army fire control and sighting ...

   en.wikipedia.org/wiki/List_of_the_United_States...

   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.

7. 35 mm Bessa - Wikipedia

   en.wikipedia.org/wiki/35_mm_Bessa

   The Bessa-R, introduced in 2000, was a rangefinder camera with a projected frame finder and a Leica screw mount. Although considerably cheaper than a Leica M camera, its viewfinder was comparable in function and feeling. It featured manually selectable frames for 35 mm/90 mm, 50 mm, and 75 mm lenses.