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daniel_h
Carpal Tunnel
Reged: 03/08/08
Loc: VIC, Australia
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Advice sought - 6" SCT or 8" ultra compact reflect
#4118821 - 10/15/10 08:48 PM
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much preferred 2 eye viewing, using a binoviewer would you prefer
1. a 6" SCT on a big tripod / eq mount - i have a tall tripod can stand or sit down to look - f10 little kinder to ep's, less light gather
2. a ultra compact 8" dob with shortened truss poles to allow binoviewer to reach focus - as i am tall chair viewing would be necessary
any advice appreciated -
focal length is close 1500 SCT vs 1200 reflect, pairs of eps I have are at 30mm plossl, 15mm wide ang plossl (little mushy outer field), & 9.4mm speers waler 80 deg for high power
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Patrick
Postmaster
Reged: 05/16/03
Loc: Franklin, Ohio
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Re: Advice sought - 6" SCT or 8" ultra compact reflect
[Re: daniel_h]
#4118851 - 10/15/10 09:06 PM
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Quote:
a 6" SCT on a big tripod / eq mount
A binoviewer in a 6" SCT is fine, but putting a 1520mm focal length instrument on a tripod does not work that well...been there, done that. It would be fine on a suitable EQ mount. The problem really comes down to pointing the scope and holding it where you point it, especially when point towards the zenith.
Quote:
a ultra compact 8" dob with shortened truss poles to allow binoviewer to reach focus
You should be able to come to focus with a Newtonian without shortening the truss poles by using an OCS like Denkmeiers sells.
Patrick
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