The massive dome measures 305 feet (93 meters) in diameter, or about the size of a football field and stands 263 feet (80 ...

Place those lenses in a tube and voilà, you have a spyglass ... Despite myriad embellishments, however, most optical telescopes in use in the 21st century derive from the two types developed ...

Celestron Optical Tube - 25mm Eyepiece - Star Diagonal ... SkyAlign technology gets your telescope aligned and ready to observe in minutes. Even if youre unfamiliar with the night sky, you ...

[Bill Hammack] elaborates on one such piece of engineering: The Alignment Optical Telescope. The telescope was used to find the position of the Lunar Module in space so that its guidance computer ...

The telescope arrived safely directly from the manufacturer nestled in a foam-lined case inside a thick cardboard box. As soon as I unzipped the case and pulled out the optical tube assembly ...

Just starting out with stargazing? We have carefully selected the best telescopes for beginners, just what you need for close-up views of April's full moon. When you purchase through links on our ...

SITH is our characterization telescope. Panopticon is our telescope made with 4 coaligned optical tubes. The event camera detects relative changes in brightness by sensing the change in photon counts.