Replacing Secondary Lens for Nextar 6SE.

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akdwivedi
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Joined: Sat May 06, 2017 1:01 am
Favourite scope: celestron

Replacing Secondary Lens for Nextar 6SE.

Post by akdwivedi » Thu Jan 02, 2020 12:01 pm

Hi,

My secondary lens (front element) for Nexstar 6SE is broken. I checked Celestron web-site and they dont sell replacement for secondary lens. Are there any shops which will sell a 150mm f/10 secondary mirror.

thanks

mrthomasyip
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Re: Replacing Secondary Lens for Nextar 6SE.

Post by mrthomasyip » Fri Jan 17, 2020 2:40 pm

Hi

Yours is a 6SE, meaning it is a SCT ota. I don't think you can get a replacement for secondary mirror anywhere and from your description it is likely a corrector plate than the actual secondary mirror itself.
Likely you might need to put your ota at a side now and look into another scope. Celestron has the poorest after sales and service standard hence you might look into getting another 6" sct again
The Belief of Thomasology.

Hardwarezone
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Joined: Fri May 17, 2013 2:50 am
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Re: Replacing Secondary Lens for Nextar 6SE.

Post by Hardwarezone » Fri Jan 17, 2020 3:48 pm

Celestron USA replied to some cloudynight forumers many years ago that the SCT set of optics are "matched" @ the factory , that's why no individual parts
like you stack 2 pringles potato chip u need both to match to fit nicely , even a little rotation offset and they don't stack well.

akdwivedi
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Joined: Sat May 06, 2017 1:01 am
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Re: Replacing Secondary Lens for Nextar 6SE.

Post by akdwivedi » Tue Jan 21, 2020 1:48 am

thanks.. looks like I need to write to celeston itself. see what they say. otherwise look for another OTA.

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Airconvent
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Re: Replacing Secondary Lens for Nextar 6SE.

Post by Airconvent » Wed Jan 22, 2020 12:02 am

You can go to the Astro-scientifc at the Science Centre to ask Albert if he can repair it. He is the authorized dealer for Celestron in Singapore and also has background in building and repairing scopes.
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