barbulo Posted January 11, 2022 Share Posted January 11, 2022 3 hours ago, alacant said: Well done. You'll love it. +1 3 hours ago, alacant said: Don't forget to remove the adapter and screw an extension onto the cc. I'm still trying to get rid of some residual coma in my images and the CC could be the cause. Do you mean this ring: Link to comment Share on other sites More sharing options...
alacant Posted January 11, 2022 Share Posted January 11, 2022 36 minutes ago, barbulo said: this ring Not just the ring. The adapter as well. You'll see two slots in the M42 thread. Use the blade of a knife to unscrew it: https://linuxcostablanca.blogspot.com/2021/04/baader-coma-corrector-spacing.html On newer batches, the M42 connection was just about workable, but we'd still recommend losing it and going with m48. Suerte. 1 Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 Hi again everyone, so managed to get home from university to get a look to my gear. How do I unscrew this T2 thread for the coma corrector and add my extension? Link to comment Share on other sites More sharing options...
alacant Posted January 19, 2022 Share Posted January 19, 2022 Use the blade of a -blunt- knife in the two slots in the M42 thread. Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 So where are the two slots? Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 Got it. No worries. Thanks for the help Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 I feel so silly here… can’t seem to figure out where to screw the extension into Link to comment Share on other sites More sharing options...
alacant Posted January 19, 2022 Share Posted January 19, 2022 7 minutes ago, Oisinmcc16 said: where to screw the extension The end of the corrector from which you just removed the adapter has a m48 male thread; there. Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 So the spacer I bought was the baader one the recommended… I’m worried it requires this stupid Canon EOS protector T Ring thing. https://www.firstlightoptics.com/adapters/baader-protective-t-ring-for-canon-eos.html Link to comment Share on other sites More sharing options...
alacant Posted January 19, 2022 Share Posted January 19, 2022 (edited) 30 minutes ago, Oisinmcc16 said: the spacer Spacer? You need a simple 4mm or 5mm m48 extension ring and your m48 adapter. That's it. This one would be fine: https://a.aliexpress.com/_vEqo1X Which do you have? Post a photo? Edited January 19, 2022 by alacant Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 15 minutes ago, alacant said: Spacer? You need a simple 4mm or 5mm m48 extension ring and your m48 adapter. That's it. This one in 5mm would be fine: https://a.aliexpress.com/_vEqo1X What do you have? Post a photo? Ffs I’ve looked it up and this wasn’t needed at all. The lack of information on Baader’s behalf is appalling. Really confused on what I need now… just want to get out with this new tube Link to comment Share on other sites More sharing options...
alacant Posted January 19, 2022 Share Posted January 19, 2022 (edited) Don't overthink it;) The only extra item you need is in this post. Edited January 19, 2022 by alacant Link to comment Share on other sites More sharing options...
Oisinmcc16 Posted January 19, 2022 Author Share Posted January 19, 2022 66431981961__BF9E7261-1C1A-41DB-A493-7C5E0CB6FECF.MOV Link to comment Share on other sites More sharing options...
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