| A | B |
|---|
| finder scope | used to find general area of a star |
| eyepiece | used to magnify image |
| star diagonal | bends light 90 degrees to make viewing comfortable |
| declination | a measure of a stars position above or below the celestial equator |
| right ascension | measure of a star's position to the right of the meridian |
| lock clamps | used to fix the telescope's RA or declination |
| setting circles | used to help user find stars by their coordinates on star charts |
| fine adjust knobs | used to move the telescope a tiny amount at a time |
| focus knob | used to make image clear to the observer |
| fork mount | support cradle for the telescope |
| clock drive | counteracts the earth's rotation |
| wedge | tilts telescope to point to the north celestial pole |
| tripod | stand used to support telescope and mounting system |
| objective | primary lens or mirror |
