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Keep telescope clean and protect it
from any physical damage.
Use a clean, soft cloth to remove
dust from all metallic surfaces.
Then wipe them with a cloth wetted
in acid-free vaseline and dry with a
napkin.
To clean the primary mirror remove
the ring (1) and ocular unit (2) by
loosening the screws.
remove the primary mirror unit ()
by loosening the screws (2).
Mark the primary mirror frame
position relatively to the tube to avoid
additional telescope adjustment
Improper cleaning can scratch
mirror coatings, so one should use
blower bulb or special brush to
remove dust from their surfaces.
Use the cotton cloth, wetted with
the pure spirit (alcohol), without
pressure to clean the mirror surface
and then rinse the mirror under a
stream of water.
MAINtENANCE
In order to keep telescope in good operating condition one should
provide good care and maintenance for the instrument. Please note
that lens or mirror surfaces should be cleaned as infrequently as
possible, only when absolutely necessary.
Optics self-cleaning only permitted after expiration of manufac-
turer limited warranty!
