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Slot
Fig. 54 Mounting the SC bracket and
optical tube to the mount.
Fig. 55: Adjusting the balance of the
optical tube when using heavy acces-
sories.
6 2
APPENDIX E: MOUNTING
THE MODEL SC-8 SCHMIDT-
Screws at the
back-end of
CASSEGRAIN OPTICAL
the bracket
TUBE
How to Attach the Optical Tube to the Mount
The LXD75 model SC-8 Schmidt-Cassegrain assembles and operates identically to
Groove
all the other LXD75 models equipped with an Autostar handbox, with one exception:
Locking Knobs
the optical tube is attached to the mount with a mounting bracket rather than the cra-
dle ring assembly. The optical tube is shipped with the mounting bracket already
attached. To attach the mounting bracket /optical tube assembly to the mount, perform
the following steps.
1.
Perform steps 1 through 6 as described in
pages 11 and 12.
2.
Slide the mounting bracket into the cradle assembly mounting slot. For most
applications, set the groove in the bracket next to the cradle locking knob, so that
the bolt of the cradle locking knob will enter the groove when the knob is tight-
ened. Tighten both the cradle locking knob and the secondary locking knob to a
firm feel. See Fig. 54.
If you are using heavy accessories (such as a camera, microfocuser, etc.) on the
back end of the tube, you may need to balance the tube differently to keep the
tube from drifting downward: Slide the mounting bracket and tube forward, until
the screws at the back end of the tray touch the mount. See Figs. 54 and 55.
Then tighten the cradle locking knob and the secondary locking knob to a firm
feel.
Screws at the
back-end of
3.
Continue the assembly with step 9 as described in
the bracket
ESCOPE
are identical as described earlier in this manual.
, page12, and complete all the subsequent steps. All other procedures
HOW TO ASSEMBLE YOUR TELESCOPE
HOW TO ASSEMBLE YOUR TEL-
,
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