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Focuser Travel Help

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Posted by Wes Jackson on August 17, 2002 00:56:58 UTC

HEY FOLK'S
Putting together 10 inch f4.5 dob.What do you all think of
Only half inch in travel in my design?Will I be able to focus most
eyepieces.I am using a program called NEWT
Can't remember where I got it but it is pretty cool.I think.Very simple.Any
way I'm using a 2.14 diagonal,12 inch sono tube and orions cheap 2 inch
focuser.It is 2.11/16 inch high with 1.5 inch travel.Allowing for 1/2 inch
in 1 inch out.What do you think?I was helping dismantle a 20 inch Torus
optical I.R.Scope this past week.It was my neighbors.Its going to U of
A..The owner saw me gloating over his eyepieces and insisted I take a Type 2
nagler 20mm.Nice gift ehh!!Id like to make sure the thing will focus in this
latest incantation on my old mirror.Any advice would be great.

Good Seeing, Wes

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