Maier or Beloptik PST

Frankenscope? Let's see it!***be advised that NOTHING in this forum has been safety tested and you are reading and using these posts at your own peril. blah, blah, blah... dont mess around with your eyesight when it comes to solar astronomy. Use appropriate filtration at all times...
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39N84W
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Maier or Beloptik PST

Post by 39N84W » Mon Apr 30, 2018 7:07 pm

I want to replace the eyepiece filter and I have my PST disassembled.
Beloptik website says I need to replace both barrel and eyepiece filters.
Maier is getting mixed results from users.
I don't know all the technical jargon... trying to learn... does the beloptik give a better image vs the Maier?
Nick

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Merlin66
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Re: Maier or Beloptik PST

Post by Merlin66 » Mon Apr 30, 2018 11:39 pm

Nick,
The Maier ITF filter is a very good replacement for a damaged PST ITF.
It’s a drop in replacement.
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.yahoo.com/neo/groups/ast ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

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Merlin66
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Re: Maier or Beloptik PST

Post by Merlin66 » Tue May 01, 2018 1:59 am

39N84w,
The Beloptik site shows replacements for both the ITF filter and the final blocking/sort filter.
99% of the time it’s only the ITF which fails. You shouldn’t need to replace the blocking filter.
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.yahoo.com/neo/groups/ast ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

39N84W
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Re: Maier or Beloptik PST

Post by 39N84W » Tue May 01, 2018 9:29 am

OK thanks

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GUS
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Re: Maier or Beloptik PST

Post by GUS » Tue May 01, 2018 9:47 am

Beloptik only sell the ITF, their site states that the ITF will only work safely with the original block/sort filter from your BF unit, it's not a stand alone filter. The Beloptik filters are as good as the maier ones and are direct drop in replacements for the coronado ITF's.

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Merlin66
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Re: Maier or Beloptik PST

Post by Merlin66 » Tue May 01, 2018 12:33 pm

Gus,
I misread the Beloptik page.
You are correct, they only supply the replacement ITF
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.yahoo.com/neo/groups/ast ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

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