Meade Instruments ETX 90EC - Manual (Page 2)

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8
14
9
5
11
10
12
6 18
(on left
fork arm)
16
17
4
19
13
15
7
(on both sides)
1. Eyepiece
2. Viewfinder:
ETX-90EC: 8 x 21mm Erect-Image Viewfinder
ETX-125EC: 8 x 25mm Right-Angle Viewfinder
3. Eyepiece holder thumbscrew
4. 90° eyepiece holder
5. Optical tube: ETX-90EC: 90mm clear aperture
ETX-125EC: 127mm clear aperture
6. Vertical (or Declination) lock
7. Fork-mount attachment screws
8. Fork arm
9. Focus knob
10. Horizontal (or Right Ascension) lock
11. Computer control panel
12. Drive base
13. Hole cover for optional tripod legs (2)
14. Right Ascension (R.A.) setting circle
15. 1/4-20 photo tripod adapter block
16.Flip-mirror control knobs
17. Photo port
18. Declination (Dec.) setting circle (on left fork arm)
19. Viewfinder alignment screws
20. Viewfinder bracket
21. Electronic controller with attached coil cord
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Fig. 1: The ETX-90EC Astro Telescope.
Features of the ETX-90EC
and ETX-125EC are identical,
with the exception of the siz e
of optical tube and the type
of viewfinder included as
standard equipment.
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