Celestron PowerSeeker 70AZ Telescope PowerSeeker 40AZ Manual (English, French, - Page 10

Installing the Finderscope except 40AZ, Aligning the Finderscope

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Installing the Finderscope (except 40AZ) To install the finderscope: 1. Locate the finderscope (it will be mounted inside the finderscope bracket) - see Figures 1-1 and 1-2. 2. Remove the knurled nuts on the threaded posts on the optical tube - see Figure 217. 3. Mount the finderscope bracket by placing it over the posts protruding from the optical tube and then holding it in place thread on the knurled nuts and tightening them down. 4. Note that the finderscope should be oriented so that the larger diameter lens is facing toward the front of the optical tube. 5. Remove the lens caps from both ends of the finderscope. Figure 2-17 Aligning the Finderscope Use the following steps to align the finderscope: 1. Locate a distant daytime object and center it in a low power (20mm) eyepiece in the main telescope. 2. Look through the finderscope (the eyepiece end of the finderscope) and take notice of the position of the same object. 3. Without moving the main telescope, turn the adjustment thumb screws located around the finderscope bracket until the crosshairs of the finderscope are centered on the object chosen with the main telescope. Objective Lens Eyepiece Finderscope Bracket Adjustment Screws Figure 2-18 Finderscope with Bracket 10

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10
Installing the Finderscope (except 40AZ)
To install the finderscope:
1.
Locate the finderscope (it will be mounted inside the finderscope bracket) – see
Figures 1-1 and 1-2.
2.
Remove the knurled nuts on the threaded posts on the optical tube – see Figure 2-
17.
3.
Mount the finderscope bracket by placing it over the posts protruding from the
optical tube and then holding it in place thread on the knurled nuts and tightening
them down.
4.
Note that the finderscope should be oriented so that the larger diameter lens is
facing toward the front of the optical tube.
5.
Remove the lens caps from both ends of the finderscope.
Aligning the Finderscope
Use the following steps to align the finderscope:
1.
Locate a distant daytime object and center it in a low power (20mm) eyepiece in the main telescope.
2.
Look through the finderscope (the eyepiece end of the finderscope) and take notice of the position of the same
object.
3.
Without moving the main telescope, turn the adjustment thumb screws located around the finderscope bracket until
the crosshairs of the finderscope are centered on the object chosen with the main telescope.
Figure 2-18 Finderscope with Bracket
Objective Lens
Finderscope Bracket
Eyepiece
Adjustment Screws
Figure 2-17