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When possible, avoid sudden temperature changes, as the moisture in the air will
condense on the objective lens. Should this occur after bringing your telescope inside,
leave the lens cap off the objective lens, tilt the objective (front) lens facedown, and wait
until the telescope reaches room temperature.
USING YOUR TELESCOPE FOR TERRESTRIAL VIEWING
When viewing objects on land, the circular motions of the equatorial mount prove to be
a distraction. We are much more familiar with tracking objects by moving from side to
side and up and down. The following directions will explain how to set up the equatorial
mount to operate in such a manner.
Loosen the right ascension tightening knob (See Fig. 23) and carefully rotate the main
optical unit until the counterweight shaft is horizontal with the ground. While this knob is
loosened you can adjust the position of the counterweight to balance it with the
telescope so that the counterweight shaft stays level. You can now control the vertical
motion of the telescope by loosening the right ascension tightening knob (See Fig. 23),
and you can adjust the horizontal movement by loosening the azimuth locking knob
(See Fig. 24).
Right ascension tightening knob
(Fig. 23)
Azimuth locking knob
(Fig. 24)