Installing The Telescope; Mounting The Telescope Accessories - SKY-WATCHER CQ40 Instruction Manual

The clutch knobs on the right ascension and declination axis must be turned to a tight lock before mounting a tele-
scope.
Mount the telescope firmly onto the base using the telescope clamping knob
M
ounting the telescope accessories
Newton telescope type (fig.7):
1. Unscrew the thumbscrews on the end of the focus tube to
remove the black plastic end-cap
2. Insert the desired eyepiece the re-tighten thumb screws to
hold the eyepiece in place.
Refractor and Maksutov telescope type
1. Loosen the thumbscrew on the end of the focus tube.
2. Insert the diagonal into the focus tube and re-tighten the thumbscrew to hold the diagonal in place.
3. Loosen the thumbscrews on the diagonal.
4. Insert the desired eyepiece into diagonal and secure by re-tightening thumbscrews.
Fig.8
F
ocusing
Slowly turn the focus knobs under the focuser, one way or the other, until the image in the eyepiece is sharp.
Refocusing is almost always necessary when you change an eyepiece (fig.10).
Focus knob

INSTALLING THE TELESCOPE

(fig.8 and
Eyepiece
Diagonal
Back end
Focus knob
(Fig.5 and
Fig.7
9):
Fig.9
Focus tube
8
6).
Eyepiece
Focus tube
Eyepiece
Diagonal
Fig.10
Focus knob