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Originally Posted by davidpretorius
is this right?
when i was lining up the veins with the cross hairs, i am aligning the secondary.
once i get up the guts to take out the mirror and centre spot the primary, then aligning the cross hairs with this spot aligns the primary.
hence all collimated????
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Veins???
The secondary mirror needs to be positioned centrally under the focuser using the sight tube then rotated and angled to centralize the reflected view of the primary in the secondary mirror. The primary is then adjusted to line up the centre spot with the crosshairs.
The sooner you take the plunge and centre spot your mirror the easier it'll be. You need to check the clamps as well so it has double benefits in doing it.