The latest optical combat sight by ELCAN is the SpecterDR and it combines the best features of a red dot sight with the advantages of a telescopic sight in one housing. ELCAN Optical Technologies (A ...
Gainesville, Fla. — This summer, University of Florida astronomers inaugurated the world’s largest optical telescope on a nearly 8,000-foot mountaintop 3,480 miles away. But it was a far more modest ...
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