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4" f/15 Unitron on AM

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#1 Glassthrower

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Posted 20 June 2007 - 12:17 PM

http://www.astromart...ified_id=506127

Nice price on this OTA. Anyone have $900 I can borrow on a long-term zero-interest loan? :lol:

#2 zjc26138

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Posted 20 June 2007 - 02:35 PM

If I had a mount for it, I'd sell my dob and get it.

#3 Glassthrower

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Posted 20 June 2007 - 02:37 PM

You don't see too many chances to buy a good condition 4-inch Unitron for under $1000.

#4 Eric P

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Posted 20 June 2007 - 03:03 PM

Wonder how those larger Unitrons are optically. I remember an old SAA post by Roland Christen that indicated the larger lenses were plagued with issues.

#5 BHunt

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Posted 20 June 2007 - 03:39 PM

I was going to go for it but didnt like the shot it took to the front of the ota.
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#6 Awesomelenny

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Posted 20 June 2007 - 04:22 PM

That particular ota was the guide telescope on a 6 inch Unitron at the University of Minnesota. I have watched this one move from a sale there on AM from a lady that works there, and now this fella is selling it. I too would be leery since the blow this thing took on the front of the ota was a pretty sharp rap! Quite a dent. Also, it appears the elements must have been disassembled at some point because notice the spacers. Looks like more were added in there...

Oh and by the way, the 6 inch Unitron is NOT at the university and has not been for some time the lady told me.

#7 BHunt

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Posted 20 June 2007 - 04:34 PM

Now that you mention it Len I do recall that scope on astromart.
Bill

#8 clintwhitman

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Posted 21 June 2007 - 09:03 AM

I picked up a 4" guide scope exactly like this for $450 at RTMC last month. I got it from Gary Hand. Mine only had three spacers, two guide scope rings, no paralax rings and really good optics. And my dent is by the focuser and very small compaired to this ones.

#9 fxxm747

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Posted 21 June 2007 - 07:10 PM

A bit pricey for me for what your getting. That dent totally turned me off. However, for those of you that are not aware. If you need a dent pulled from a tube.....take it to your nearby musical store that has a repair tech. It's cheap and you'd never know it was there. I got the idea after having one of my sons horns fixed. They were happy to do it! (actually he thought it was cool, did it gratus for the repair on the horn) Does mess up the paint though, but one would expect that regardless of the repair.


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