# กล้องโทรทรรศน์สะท้อนแสงแบบเกรกอเรียน
## Noun (N)
### Sense: a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
- Cassegrainian telescope
- Gregorian telescope