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Old 31-10-2012, 11:34 PM
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alpal
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Join Date: Jan 2012
Location: Melbourne
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Quote:
Originally Posted by Satchmo View Post
I'm a little mystified as to why it should be particularly complicated to collimate a Takahashi?

Assuming that the lenses were well centered and edged in manufacture ( the elements therefore having no `wedge') , and since passed a factory collimation check, then simple tilt of the whole lens assemble should be all thats required to return the scope to perfect collimation , and that can be adjusted looking at a star with a high power eyepiece whist adjusting the tilt. I thought that was one of the benefits of a refractor - freedom from any particularl complexity in collimation ?

I found out tonight that it is done on an expensive laser jig.
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