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Re: [ATM] Lens after diagonal?

I've never seen your focuser "live", and it's way out of my league 
pricewise, but it does look like just the ticket. Nice work indeed.

Gary Fuchs


Don Clement wrote:

>
>
>  
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>>I've been considering (from a perspective of almost no
>>knowledge) the problem of minimizing the secondary
>>obstruction in a standard Newtonian design.
>>    
>>
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>One method of minimizing the secondary obstruction would be to use a low
>profile focuser with a large non-vignetting opening. The secondary could be
>moved  out from the primary and  secondary size could be reduced.
>
>Don Clement
>Running Springs, California
>http://www.ClementFocuser.com
>
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>ATM mailing list http://www.atmlist.net/
>
>  
>

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