A Spotting Scope is a portable telescope, optimized for the observation of terrestrial objects. The magnification of a spotting scope is typically on the order of 20x to 60x. Other common features include:...
Carl Zeiss (September 11, 1816 – December 3, 1888) was an optician commonly known for the company he founded, Zeiss. Zeiss himself also made a few contributions to lens manufacturing that have aided the modern...