מצפה הכוכבים ברקת - קוד מצפה רשמי Bareket observatory IAU B35 English

Cassegrain telescope

Term תיאור
Cassegrain telescope

A type of reflecting telescope whose eyepiece is located behind the primary mirror. The primary mirror is cast with a hole in the center. When light enters the telescope, it reflects from the primary mirror to the secondary mirror. The secondary mirror reflects the light back through the hole in the primary mirror to the eyepiece.