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Re: [ATM] 8" F/4.2... Done?





Jason Hissong wrote:

>
>Getting so close and I am afraid to do much else with it.   I have yet 
>to do a serious star test because I don't have a center "dot" on the 
>primary to collimate it properly.
>
>Best Regards,
>Jason Hissong
>
>  
>
I've been an ATM for over 30+ years, and rarely used the center "Dot" 
99% of the time I never do.
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