![Focus lock](/images/new-backgrounds/102016/1020163x1.webp)
Dovetail holder
Drawtube
Focuser extension thumbscrew
Primary mirror cell
Focus | Focus | |
wheel | wheel | |
| Focus lock | |
| thumbscrew | |
Focuser | Fine focus | |
wheel | ||
thumbscrew | ||
|
Secondary
mirror holder
Figure 1. The 6" Newtonian Imaging Reflector.
2
Dovetail holder
Drawtube
Focuser extension thumbscrew
Primary mirror cell
Focus | Focus | |
wheel | wheel | |
| Focus lock | |
| thumbscrew | |
Focuser | Fine focus | |
wheel | ||
thumbscrew | ||
|
Secondary
mirror holder
Figure 1. The 6" Newtonian Imaging Reflector.
2