Collimation
PRIMARY MIRROR ADJUSTMENTS
If the secondary mirror (fig. 7, #1) and the reflection of the
primary mirror (fig. 7, #2) appear centered within the draw tube
(fig. 7, #3), but the reflection of your eye and the reflection of the
secondary mirror (fig. 7, #4) appear off center, you will need to
adjust the primary mirror tilt screws (fig. 3, #2) of the primary
mirror cell. These primary tilt screws are located behind the
primary mirror, at the lower end of the main tube.
To adjust the primary mirror tilt screws (fig. 3, #2), first turn by
several turns, the primary mirror cell lock knobs (fig. 3, #3)
that are next to each primary mirror tilt screw. The three
primary mirror cell locking screws are slotted head screws
on the EclipseView 114 models. Then by trial-and-error, turn the
primary mirror tilt knobs (fig. 3, #2) until you develop a feel for
which way to turn each knob to center the reflection of your eye.
Once centered, as in Figure 5, turn the 3 primary mirror cell
locking screws (fig. 3, #3) to re-lock the tilt-angle adjustment.
Figure 7
46
EclipseView76 Models Only
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