Celestron STARSENSE EXPLORER 12' DOBSONIAN Guía De Instalación Rápida página 10

3
SECONDARY
MIRROR
3. While making adjustments, position the tube horizontally. This
prevents anything from falling onto the primary mirror.
5
2mm Hex Key
5. First, adjust the secondary mirror at the front of the telescope
using the 2mm hex key. Use the three socket-head setscrews
in the secondary mirror holder to adjust the tilt of the secondary
mirror.
a. Adjust one setscrew at a time. Make only small adjustments.
b. If one setscrew becomes too tight or too loose, make
adjustments to the other setscrews to compensate.
When you are fi nished, make sure all three of the setscrews
are snug.
7
7. You won't need any tools to tilt the primary mirror. Instead,
simply adjust the thumbscrews. The three smaller thumbscrews
are locking thumbscrews, while the larger three collimation
thumbscrews adjust the tilt. Start by loosening all three of the
locking thumbscrews.
10 | ENGLISH
PRIMARY
MIRROR
4. You should be able to see the refl ection of the entire primary
mirror centered within the secondary mirror as shown in Step
2. If you can't, as shown above, the secondary mirror will need
adjustment.
Refl ection of
secondary mirror
6. Look through the collimation cap again to verify that the primary
mirror is centered in the secondary mirror as shown above. If
it is, the secondary mirror is collimated. Next, adjust the tilt of
the primary mirror until the refl ection of the secondary mirror is
centered within the refl ection of the primary mirror.
LOCKING
THUMBSCREW
COLLIMATION
THUMBSCREW
8. Adjust the collimation thumbscrews one at a time. Each
collimation thumbscrew is spring-loaded, so you can rotate it
clockwise or counterclockwise.
4
6
8
Edge of
secondary
mirror
Refl ection of
primary mirror
Edge of
secondary
mirror
Refl ection of
primary mirror