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• Finderscope
• Finder Bracket
• Rubber O-ring
• Three Nylon Tipped Thumbscrews (10-24x1/2")
• Two Phillips Head Screws (8-32x1/2")
To install the finderscope:
1. Attach the bracket to the optical tube. To do this,
place the curved portion of the bracket with the
slot over the two holes in the rear cell. The
bracket should be oriented so that the rings that
hold the finder are over the telescope tube, not the
rear cell (see Fig 2-11). Start threading the
screws in by hand and tighten fully with an Allen
wrench.
2. Partially thread-in the three nylon-tipped
thumbscrews that hold the finder in place inside
the bracket. Tighten the screws until the nylon
heads are flush with the inner diameter of the
bracket ring. Do NOT thread them in completely
or they will interfere with the placement of the
finder. (Having the screws in place when the finder is installed
will be easier than trying to insert the screws after the finder has
been installed.)
3. Slide the rubber O-ring over the back of the finder (it will NOT fit over the objective end of
the finder). It may need to be stretched a little. Once on the main body of the finder, slide it
up about one inch from the end of the finder.
4. Rotate the finder until one cross hair is parallel to the R.A. axis and the other is parallel to the
DEC axis.
5. Slide the eyepiece end of the finder into the front of the bracket.
6. Slightly tighten the three nylon tipped thumbscrews on the front ring of the bracket to hold the
finder in place.
7. Once on, push the finder back until the O-ring is snug inside the back ring of the finder
bracket.
8. Hand tighten the three nylon tipped thumbscrews until snug.
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The C5-S and C9.25-S have aluminum lens caps that slide on and off of the front of the telescope. The C8-
S lens cap utilizes a bayonet-type locking mechanism to hold it in place. To remove the lens cap, hold the
cover firmly and rotate the outer edge 1/2” counterclockwise and pull off.
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In order to properly balance your telescope, you will need to move your telescope manually at various
portions of the sky to observe different objects. To make rough adjustments, loosen the R.A. and DEC
clutch knobs slightly and move the telescope in the desired direction.
Figure 2-11
Finderscope
Nylon
Adjustment
Screw
Finder Bracket
Rear Cell