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Removal of ERF for Lunt 60 with pics

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#1 mhilscher

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Posted 15 April 2013 - 01:22 PM

a few pictures of the ERF removed on a double stack configuration to improve contrast,no clear glass or turbo film replaced yet.

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#2 mhilscher

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Posted 15 April 2013 - 01:23 PM

ring and glass removed

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#3 Kent10

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Posted 15 April 2013 - 07:49 PM

Thanks for the pics, Matthew. Are you going to put some glass in there or the Turbo film. I have been using mine without the ERF but I haven't had the time to put the TurboFilm in yet.

#4 James Cunningham

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Posted 01 September 2013 - 11:01 PM

How is the scope with the ETF removed

#5 mhilscher

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Posted 05 September 2013 - 09:16 AM

Used the scope just today...it makes it a tad brighter (are to say, maybe 10%?)...I used the turbo film, and it was easy enough to put on the ring.

#6 Johninuk

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Posted 09 September 2013 - 01:57 PM

Hi Matthew
I have been thinking about doing this for some time,but I would like to replace the filter with clear glass or similar. Would appreciate the exact dimendions (id and thickness) of the lunt erf you removed,thanks :bow:

#7 ASTROTRUCK

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Posted 09 September 2013 - 05:33 PM

1)baader sells an optical glass to use in place of the removed erf - is plain glass sufficient ?

2)what is turbo glass & where to get it ?

3)is that a screw on retaining ring that holds in the lunt erf - how does one remove the erf - seems simple but dont see how to grip the ring to unscrew it.

4)baader sells an astrosolar film - not a mylar.

#8 Johninuk

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Posted 11 September 2013 - 02:06 PM

I think you would need the glass uv/ir coated and perhaps anti reflective coated.

#9 Old Dinosaur

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Posted 11 September 2013 - 02:45 PM

Baader Turbo Film

#10 RikkiHocking

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Posted 12 September 2013 - 03:48 PM

Matthew,
Please know that dissembling and removing parts from your filter or scope will void your warranty.
I also want to point out that by recommending that other people should modify their solar equipment you are possible putting them in harm’s way. Some people may understand what you are doing but there will be a few that don’t and using this equipment without all the components can cause safety issues.

Thank you,
Rikki Hocking
Lunt Solar Systems
(520)344-7348






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