Discovery Telecom 60mm Advanced Telescope Manuel d'instruction - Page 11
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Troubleshooting Guide:
No picture
Blurred picture
No focus possible
Bad quality
Viewing object visible
in the finder, but not
through the telescope
Despite using star
diagonal prism the
picture is "crooked"
Remove dust protection cap and sun-shield
from the objective opening.
Adjust focus using focus ring.
Wait for temperature to balance out.
Never observe through a glass surface
such as a window.
Align finder to telescope
(see instructions)
The star diagonal prism should be
vertical in the eyepiece connection.
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