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Coronado Solar Max II 60 mm modification for big aperture?

Posted: Tue Nov 22, 2022 9:18 am
by OlegLviv
Hello everybody!
If you know I bought TS 152/f5.9 and want best find modification for my new telescope!

Lunt 50 have 20mm etalon and want f7 not good but better pst stage 1 or 2 modification!
Pst etalon have 20mm too and want f10.

What can you say about Coronado Solar Max II 60 mm etalon for modofication because etalon have 35mm and F6.6??

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Tue Nov 22, 2022 5:56 pm
by marktownley
Yes, should work nicely. Try it!

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Wed Nov 23, 2022 3:57 pm
by Pablito
It worked very nice with Istar 127mm F5.5

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Wed Nov 23, 2022 6:17 pm
by OlegLviv
Pablito wrote: Wed Nov 23, 2022 3:57 pm It worked very nice with Istar 127mm F5.5
Do you have example photo?

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Thu Nov 24, 2022 5:16 am
by OlegLviv
1589aa464d6be591af07b935d1164eec.jpg
1589aa464d6be591af07b935d1164eec.jpg (21.07 KiB) Viewed 282 times
marktownley wrote: Tue Nov 22, 2022 5:56 pm Yes, should work nicely. Try it!
Coronado Solar Max II 60 have douplet lens???? :?

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Thu Nov 24, 2022 6:43 am
by marktownley
Yes, a doublet

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Thu Nov 24, 2022 9:58 am
by OlegLviv
marktownley wrote: Thu Nov 24, 2022 6:43 am Yes, a doublet
Because am scary after my single lens Lunt 60T ha :cat

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Mon Dec 05, 2022 12:53 pm
by Pablito
OlegLviv wrote: Wed Nov 23, 2022 6:17 pm
Pablito wrote: Wed Nov 23, 2022 3:57 pm It worked very nice with Istar 127mm F5.5
Do you have example photo?
Sure.
Firts one shows the refractor without etalon.
Istar1.jpg
Istar1.jpg (267.31 KiB) Viewed 163 times
Istar2.jpg
Istar2.jpg (308.17 KiB) Viewed 163 times

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Mon Dec 05, 2022 8:11 pm
by marktownley
Wow! love it!

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Tue Dec 06, 2022 11:22 am
by OlegLviv
Pablito wrote: Mon Dec 05, 2022 12:53 pm
OlegLviv wrote: Wed Nov 23, 2022 6:17 pm
Pablito wrote: Wed Nov 23, 2022 3:57 pm It worked very nice with Istar 127mm F5.5
Do you have example photo?
Sure.
Firts one shows the refractor without etalon.

Istar1.jpg

Istar2.jpg
Thank you!
Which modification better?

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Wed Dec 07, 2022 9:36 am
by Pablito
OlegLviv wrote: Tue Dec 06, 2022 11:22 am
Which modification better?
What do you mean?

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Wed Dec 07, 2022 9:46 am
by OlegLviv
Pablito wrote: Wed Dec 07, 2022 9:36 am
OlegLviv wrote: Tue Dec 06, 2022 11:22 am
Which modification better?
What do you mean?
I mean about better Angstreme and better field sweet spot!
Please if you have attach photos.

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Wed Dec 07, 2022 10:53 am
by Pablito
I no longer have this telescope but as far as I remember sweet spot was still fine and the view was very detailed.

I already have a plan to make another modification using Istar 127mm F8 objective, Lunt LS100 DSII and PST etalon as double stack.

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Thu Dec 08, 2022 12:26 pm
by OlegLviv
Im glad hear about new modification!

Re: Coronado Solar Max II 60 mm modification for big aperture?

Posted: Fri Dec 09, 2022 4:00 am
by DeepSolar64
OlegLviv wrote: Thu Nov 24, 2022 5:16 am 1589aa464d6be591af07b935d1164eec.jpg
marktownley wrote: Tue Nov 22, 2022 5:56 pm Yes, should work nicely. Try it!
Coronado Solar Max II 60 have douplet lens???? :?

Yep. Looks very familiar. I have one of these.