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Re: [ATM] Lurie-Houghton real word picture



Thanks for taking the picture and posting them.  It is
very interesting.  I must say that there is not as
much difference as I would expect from looking at the
spot diagrams.  

Do you feel that the extra weight and effort is worth
it to get the performance you have with the LH?

- Gil

--- Chris Dalla Piazza <dalchri@hotmail.com> wrote:

>
http://www.buytelescopes.com/gallery/view_photo.asp?pid=13826
> 
> I wanted to pass this along for anyone who wants to
> see a real world picture 
> from a Lurie-Houghton Newtonian.  I did a side by
> side comparison of my 
> homemade 6" f/4.5 standard and Lurie-Houghton
> Newtonians.  I imaged a 
> sequence of star images outside focus, through
> focus, and inside focus.  I 
> did a sequence both on axis and 0.5º off axis.
> 
> When I was trying to figure if I wanted to build a
> Lurie-Houghton, I 
> couldn't find many pictures actually taken through a
> Lurie-Houghton.  
> Hopefully this will help anyone who comes after me
> to make their decision by 
> going beyond spot diagrams.
> 
> I would still love to see something through a Wright
> Newtonian.
> 
>
_________________________________________________________________
> Now you can see trouble?before he arrives 
>
http://newlivehotmail.com/?ocid=TXT_TAGHM_migration_HM_viral_protection_0507
> 
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