Bottletopburly Posted July 13, 2023 Share Posted July 13, 2023 Nb filter question , so over a period I’ve built up some filters I have Astronomik LRGB 1.25 filters and a Astronomik s11 6nm do I buy the matching ha and o3 filters in this set or pick up a different make will it matter ? I was thinking I would buy the corresponding filters if they popped up over time but new camera has brought that forward , now another question I have a duoband LExtreme filter and had read you can use this as a lum filter , is that a good idea or just shoot using the Astronomik L filter ? Link to comment Share on other sites More sharing options...
Bob Dobber Posted July 13, 2023 Share Posted July 13, 2023 I have ZWO filters for all but Oiii where I bought the 4.5Nm Antlia one in the hope of getting a bit more definition and contrast. Seems to have paid off. Lucky because wasn't cheap! Bottletopburly 1 Link to comment Share on other sites More sharing options...
Bottletopburly Posted July 13, 2023 Author Share Posted July 13, 2023 14 minutes ago, Bob Dobber said: I have ZWO filters for all but Oiii where I bought the 4.5Nm Antlia one in the hope of getting a bit more definition and contrast. Seems to have paid off. Lucky because wasn't cheap! What band pass are zwo rob Link to comment Share on other sites More sharing options...
Bob Dobber Posted July 13, 2023 Share Posted July 13, 2023 17 minutes ago, Bottletopburly said: What band pass are zwo rob The narrowband ones are 7Nm I think? Link to comment Share on other sites More sharing options...
+Ibbo Posted July 13, 2023 Share Posted July 13, 2023 I have mixed a Ha 12nm and 7nm also the 7nm and a 3 when I have had the duel rig on the mount. Bottletopburly 1 Link to comment Share on other sites More sharing options...
+Graham Posted July 14, 2023 Share Posted July 14, 2023 In answer to your question. I would keep with the Astronomik filters as they are par focal with each other so no refocusing when changing filters. Bottletopburly 1 Link to comment Share on other sites More sharing options...
Bottletopburly Posted July 14, 2023 Author Share Posted July 14, 2023 1 hour ago, Graham said: In answer to your question. I would keep with the Astronomik filters as they are par focal with each other so no refocusing when changing filters. Cheers Graham , what are your thoughts on using a duoband as lum or just use the lum filter from the Lrgb set . Link to comment Share on other sites More sharing options...
+Graham Posted July 15, 2023 Share Posted July 15, 2023 Never used a duoband so cannot really say on that one. Link to comment Share on other sites More sharing options...
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