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Geo.
Carpal Tunnel
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Reged: 10/01/08

Loc: Upstate NY
Re: Any used models to avoid? new [Re: wd8sbb]
      #6354146 - 02/03/14 07:47 PM

http://www.glasscoater.com/
Research Service Co.
12 BAY STREET
UNIT 105
WILMINGTON, MA 01887
email: COATERRSC@AOL.COM


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orion61

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Reged: 10/20/07

Loc: Birthplace James T Kirk
Re: Any used models to avoid? new [Re: fivestring]
      #6428127 - 03/25/14 09:45 AM

Quote:

How about the older 2080 LX 8" and mounts?



I have yet to meet a Meade SCT before the LX3's "optically" that I like, and I wasted a LOT of time and money buying 4 of them before giving up.
I just liked the looks of them much better than Celestron and thought they were built better.
After the 2nd series LX-200's (the first series had under 2k objects) is when Meade really started getting their
stuff together optically.
Also carefully check MCOG and MCSOG corrector coatings for
degradation and thinning. The MCSOG secondary silver coatings are surely all bad by now but can easily be recoated.
I have an LX-3 2120 I like very much, optics are good but I have had a bit better, Coatings are thinning a bit on the corrector.
I like the fact you can set it up and use it and slew it around without a computer!


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orion61

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Reged: 10/20/07

Loc: Birthplace James T Kirk
Re: Any used models to avoid? new [Re: Christopher Erickson]
      #6428136 - 03/25/14 09:52 AM

Quote:

Quote:

Quote:

Quote:

How about the older 2080 LX 8" and mounts?




NOT a stellar performer.




Umm...?

I've had fairly decent luck with mine!




Just not as sharp and contrasty, as a rule, compared to newer models.

But there was also a fair-degree of variation in individual units back then so you could have certainly got a good one!



I have to agree with Chris here, that doesn't mean there weren't some exceptions.
I also had an Astro club friend that swore by his, but it was the only SCT he had ever owned.
I finally gave up on Meade in 1985 and bought a "new" Super Polaris C8 It embarrassed his 8" 2080 so bad he wouldn't set up with me after that. lol


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LivingNDixie
TSP Chowhound
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Reged: 04/23/03

Loc: Trussville, AL
Re: Any used models to avoid? new [Re: orion61]
      #6428761 - 03/25/14 04:41 PM

Any Celestron or Meade from the mid to late 1980s. I have had three Meades and one Celestron. The Meades have had excellent to good optics. My current one has good optics just a lot of mirror shift, but the images are good when collimated and cooled. The Celestron had great optics. Both Meade and Celestron are putting out good scopes.

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Dr. Woo
sage


Reged: 12/23/13

Loc: The IE
Re: Any used models to avoid? new [Re: SteveRosenow]
      #6429478 - 03/26/14 12:36 AM

Quote:

Quote:

A 1989 S&T comparo found that the C8 was slighly sharper in spite of rougher optics, the 2080 wasn't far behind.

I have had several silvered secondarys (the primary is AlSiO2 coated) recoated by www.glasscoater.com. Fast and very reasonable.




The president of the local astronomy club to which I obtained my LX6 from, has gone through these guys:

http://www.opticwavelabs.com/mechanical.php

They'll recoat both mirrors, as well as polish the corrector.

I plan on sending the OTA of my 8-inch down as soon as I get some money to spend. lol


I would think twice about using OWL based upon my bad experience with them last year. At least do a google search before sending them any hardware, for much more information. I am not the only one to have a less than optimal transaction with optic wave labs.

A word to the wise and do your own research as I will say no more


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