Nevertheless this is a large crater that can be readily found in even small telescopes.

Due to the great distance to the cluster, most of the galaxies are only visible in large telescopes.

Asteroids are usually seen only as distant points of light, even in powerful telescopes.

There are many galaxies visible in telescopes with red shift numbers of 1.4 or higher.

M64 is well known among amateur astronomers because of its appearance in small telescopes.

Visible in large amateur telescopes and very rich, it is more than 12,000 light-years from Earth.

Initially the detector used in telescopes was the human eye.

Johnson's interest in telescopes soon became a full fledged business.

Alpha has a 10th magnitude companion, visible in small telescopes.

The most important application of this concept is in cameras and telescopes.