It is also a perfect spot for telescopes, with clear skies free of humidity and urban light but near the university.

The objectives for aerial telescopes sometimes had very long focal lengths.

It retained its role of building instruments for telescopes and satellites.

This type of mount is used for astronomical telescopes and cameras.

You might as well say that glass is the real reason for telescopes.

The British astronomical community saw the need for telescopes of comparable power in the northern hemisphere.

This method is used in the manufacture of almost all large mirrors for modern telescopes.

"Big Eye picked it up because it's too faint for telescopes on the ground to see."

For many years, the Moon has been recognized as an excellent site for telescopes.

At magnitude 5.6, it is an easy target for binoculars and small telescopes.