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Equipment Discussions >> Equipment

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simon j poole
member


Reged: 02/11/13

Loc: UK
atmospheric dispertion corrector new
      #5679794 - 02/14/13 04:04 PM

I am thinking about purchasing an atmospheric dispertion corrector, but was wondering if any members have had any experiences in using one, and if so do they give a sharper image and are they worth the price which is around £350 pounds in the uk. i would be greatfull of any feed back regarding this issue. Regards Simon.

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csrlice12
Postmaster
*****

Reged: 05/22/12

Loc: Denver, CO
Re: atmospheric dispertion corrector new [Re: simon j poole]
      #5679819 - 02/14/13 04:17 PM

"atmospheric dispertion corrector" yes, they work. You buy a telescope, to you, its a telescope and the clouds will form heavier and heavier as the package gets closer to your door. However, to me, your scope is an "atmospheric dispertion corrector" as my old clouds are now your new clouds......thank you, and enjoy the clouds......

...actually never heard of an "atmospheric dispertion corrector", sounds like a Klingon disrupter on full power.


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Mark9473
Postmaster
*****

Reged: 07/21/05

Loc: 51°N 4°E
Re: atmospheric dispertion corrector new [Re: csrlice12]
      #5679895 - 02/14/13 05:04 PM

I've seen some reports that they work for their intended purpose, but obviously they will not correct the generally poor seeing at low viewing altitudes. So you won't see the red/blue bands anymore, but I do have my doubts that this will result in a much sharper image.

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csrlice12
Postmaster
*****

Reged: 05/22/12

Loc: Denver, CO
Re: atmospheric dispertion corrector new [Re: Mark9473]
      #5679948 - 02/14/13 05:50 PM

No, really, never heard of it. Is this a filter, like a UHC filter to filter out light pollution?

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SteveG
Post Laureate
*****

Reged: 09/27/06

Loc: Seattle, WA
Re: atmospheric dispertion corrector new [Re: Mark9473]
      #5679999 - 02/14/13 06:16 PM

I read a fairly positive review in Astronomy Tech Today, but it's an expensive toy!

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chboss
professor emeritus


Reged: 03/24/08

Loc: Zurich Switzerland
Re: atmospheric dispertion corrector new [Re: SteveG]
      #5680103 - 02/14/13 07:38 PM

Well this is no joke at all, it is especially useful for planetary imaging.
Never tried it myself but there are some good examples to be found in German forums.

Check it out here:
http://www.teleskop-express.de/shop/product_info.php/language/en/info/p5992_K...

best regards
Chris


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simon j poole
member


Reged: 02/11/13

Loc: UK
Re: atmospheric dispertion corrector new [Re: chboss]
      #5680568 - 02/15/13 01:57 AM

Thanks everybody & thanks Chris for the link,its a lot of money so maybe i have to research it a bit more before purchasing one. Regards Simon.

Edited by simon j poole (02/15/13 06:10 AM)


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George N
Carpal Tunnel
*****

Reged: 05/19/06

Loc: Binghamton & Indian Lake NY
Re: atmospheric dispertion corrector new [Re: simon j poole]
      #5683937 - 02/16/13 05:37 PM

A friend of mine owned the similar unit that Adirondack Video sold (before they went bankrupt) made from multiple prisms sold by Edmund. It did improve the view of planets below say 40 degrees in altitude. That extended that time we could observe, and was most helpful during the summer, when planets never get too high in the sky from 42 degrees north. Alas, he misplaced the gizmo, so it’s all ‘history’ now.

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simon j poole
member


Reged: 02/11/13

Loc: UK
Re: atmospheric dispertion corrector [Re: George N]
      #5685011 - 02/17/13 11:32 AM

Thanks for that George, it seems that they do help when imaging at low altitude with high focal lenghths! Regards Simon.

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