9
PART III: Operating Your Telescope
• Open the battery cover by pulling it down (you can gently pry at the 2 small slots) and
remove the plastic shipping cover over the battery(Fig.3.1.2b).
• Turn on the Red Dot Finder by rotating the variable brightness control clockwise until you
hear a “click”. Continue rotating the control knob to increase the brightness level.
• Insert a low power eyepiece into the telescope’s focuser. Locate a bright object and posi-
tion the telescope so that the object is in the center of the eld of view.
• With both eyes open, look through the sight tube at the object. If the red dot overlaps the
object, your Red Dot Finder is perfectly aligned. If not, turn its azimuth and altitude ad-
justment controls until the red dot is merged with the object.
• Slowly turn the focus knobs under the focuser, one way or the other, until the image in the
eyepiece is sharp (Fig.3.2a). The image usually has to be nely refocused over time, due
to small variations caused by temperature changes, exures, etc. This often happens with
short focal ratio telescopes, particularly when they haven’t yet reached outside tempera-
ture. Refocusing is almost always necessary when you change an eyepiece.
Fig.3.1.2a
Fig.3.1.2b
3.2 Focusing the telescope
Fig.3.2a
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