Celestron 22069 AstroMaster 90AZ Telescope with NexYZ Smartphone Adapter

INSTRUCTION MANUAL - Page 9

For 22069.

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ENGLISH I 9
INSTALLING THE DIAGONAL & EYEPIECES
The diagonal is a prism that diverts the light at a right angle to the light
path of the refractor. This allows you to observe in a position that is more
comfortable than if you looked straight through. This diagonal is an erect
image model that corrects the image to be right side up and oriented
correctly left-to-right which is much easier to use for terrestrial observing.
Also, the diagonal can be rotated to any position which is most favorable
for you. To install the diagonal and eyepieces:
1. Insert the small barrel of the diagonal into the 1.25” eyepiece adapter
of the focus tube on the refractor (Figure 2-13). Make sure the two
thumbscrews on the eyepiece adapter do not protrude into the focuser
tube before installation and the plug up cap is removed from the
eyepiece adapter.
2. Put the chrome barrel end of one of the eyepieces into the diagonal and
tighten the thumb screw (Figure 2-14). Again, when doing this make
sure the thumb screw is not protruding into the diagonal before inserting
the eyepiece.
3. The eyepieces can be changed to other focal lengths by reversing the
procedure in step 2 above.
INSTALLING THE STARPOINTER FINDERSCOPE
1. Loosen the two mounting screws near the bottom of the finderscope.
2. Slide the base of the finderscope over the finderscope mounting bracket
found on the telescope optical tube.
3. Tighten the screws to secure the finderscope in place.
Your StarPointer finderscope is shipped with a clear plastic tab inserted
between the battery and the contact to prevent the battery from accidentally
being discharged in shipment. Pull this tab out before using your finderscope.
USING THE STARPOINTER FINDERSCOPE
The StarPointer finderscope helps you aim your telescope by looking through its round glass window and covering your
target with the red dot projection. The first time you assemble your telescope, you will need to align the StarPointer with the
main optics of the telescope. Although this step can be done at night, it is significantly easier during the day. Once you have
completed the finderscope alignment, you should not have to repeat this step unless the finderscope is bumped, dropped,
or removed during transit.
Power/Brightness
Knob
Up/Down
Adjustment Knob
Mounting Screws
Left/Right
Adjustment Knob
Figure 2-13
Figure 2-14
Figure 2-15
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