Celestron FirstScope 76mm f/4 Signature Series Moon Alt-Az Reflector Telescope - Manual (Page 4)

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Figure 1-1
1. Focuser 6. Arm
2. Secondary (Diagonal) Mirror-- inside 7. Tube End
3. Optical Tube 8. Primary Mirror -- inside
4. Lock Nut 9. Focus Knob
5. Base 10. Eyepiece
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