PST etalon nosepiece with 1:1,25 glasspath

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bart1805
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PST etalon nosepiece with 1:1,25 glasspath

Post by bart1805 » Fri Sep 13, 2019 2:25 pm

Nosepiece for f/8 refractor. Front adapter for PST etalon made by AOK. Inside there is a 1:1,25 Baader Glasspath,this way you can use for example a f/8 refractor in combination with a PST etalon. I used it in combination with a 150mm f/8 Skywatcher.
125 euro’s plus shipping.



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Montana
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Re: PST etalon nosepiece with 1:1,25 glasspath

Post by Montana » Mon Sep 16, 2019 7:13 am

Knowing absolutely nothing about a PST modification, would this be something I would need to do a PST modification for a C11?

Alexandra



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Re: PST etalon nosepiece with 1:1,25 glasspath

Post by bart1805 » Mon Sep 16, 2019 8:40 am

Hi Alexandra,
No you don't need it. Your C11 is already f/10.
CS! Bart.



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Re: PST etalon nosepiece with 1:1,25 glasspath

Post by Montana » Mon Sep 16, 2019 9:09 am

Thanks :)
Alexandra



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Re: PST etalon nosepiece with 1:1,25 glasspath

Post by bart1805 » Mon Sep 16, 2019 6:37 pm

Montana wrote:
Mon Sep 16, 2019 9:09 am
Thanks :)
Alexandra
Alexandra, you want to attach the etalon to the visual back of the C11. You can use a SCT to 2 inch adapter. Buy a 2 inch nosepiece for the etalon and connect the two. An alternative is an adapter with SCT thread on the front, thread to attach the etalon on the back. AOK made one for me.
After the etalon it is the same as with every PST mod. So about 20 cm behind the etalon is your camera. before the camera the blocking filter.
You use this method when you don't want to remive the front and backlens of your etalon.
Good luck! Bart.



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