4.5 Eyepiece adjustment
After [4.4 Centering with the optical plummet] completed, focus the telescope eyepiece on the telescope reticule.
1Remove the telescope lens cap.
2Point the telescope at a bright object.
3Rotate the eyepiece completely counterclockwise.
4Look through the eyepiece, and rotate the eyepiece clockwise until the reticule appears at its maximum sharpness.
Reticule pattern
Horizontal graduation
(double)
Vertical graduation
(single) Optical axis
Vertical graduation
(double)
At procedure 4 , keep your eye relaxed to prevent parallax and eye fatigue. Parallax causes problems with object sighting.
(Refer to [4.6 Object sighting])
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