Re: [APML] Cassegrain Question

[Aplanatic@aol.com]

Hi Bill,

> Close enough. At least at this point. The laser spot completely misses the 
> secondary support mechanism so it is at least 1/2 inch off. In about 30 
> inches.
>  
>  >Depending on the degree of misalignment, you may be able to fix this 
> problem by centering the secondary holder on the laser spot.
>  
>  Someone else suggested that as well. But I doubt that moving the secondary 
1/
> 2 to 3/4 inch off center would be wise. Would you agree ?

Yes.  That's enough to cause problems with vignetting by the OTA, I'd think. 
Not a good idea.  I guess you first have to fix the problem with the focuser.

-Dave Rowe-


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