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Spotting scope eyepieces are usually interchangeable to adapt for different magnifications, or may have variable zoom to give a range of magnifications. Magnifications less than 20× are unusual, as are magnifications more than 60× since the latter can lead to poorer image brightness, a narrow field of view and too much image shaking, even on ...
The portmanteau term "digiscoping" (= digital camera + telescoping) was coined in 1999 by French birdwatcher Alain Fossé.Less notable neologisms for this activity are digiscope birding, digiscopy birding, digi-birding, digibinning (using digital camera with binoculars), and phonescoping [3] (using a digital camera phone with a spotting scope or binoculars).
The M49 Spotting Scope, also known as the M49 Observation Telescope, [1] is a multipurpose scope system used primarily for long range marksmanship observation. It can also be used for observing the effects of artillery fires, wind direction, [ 2 ] and other general purposes.
The scope base is the attachment interface on the rifle's receiver, onto which the scope rings or scope mount are fixed. Early telescopic sights almost all have the rings that are fastened directly into tapped screw holes on the receiver, hence having no additional scope base other than the receiver top itself.
Leupold and Stevens Mark 6 scope with variable magnification 3-18x44mm, mounted on a M24 SWS. IDF M24 SWS with Leupold Mark 6 3-18x44mm sniper scope. Leupold FX-II Ultralight scope on a Ruger 77/44. The company's riflescopes are used by organizations such as the United States Army, the Secret Service and the Navy SEALs. [13]
Vortex Optics is a DBA of Sheltered Wings, Inc., which was incorporated in Wisconsin in 1989. Sheltered Wings, Inc. DBA Vortex Optics began in 2002. In 2022 after extensive research, testing and reviews Vortex became an official supplier and contractor to the American Military as the U.S. Army selected Vortex‘s XM-157 fire control system for its Next Generation Squad Weapon program.