This is an optically excellent telescope with a rugged, lightweight computerized mount. Intended for serious amateurs, it is suitable for all types of visual astronomy and some astrophotography. If ...

This is the equatorial mount for for the George Dollond refracting telescope in the collection. It belonged to, and was given in memory of, Charles C. Carey (1903-1963), President of the General Radio ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...