Kai Posted November 7, 2008 Share Posted November 7, 2008 Hi I am looking at getting a set of the new Baader LRGBC filters from FLO http://www.firstlightoptics.com/proddetail.php?prod=Baader_LRGBC_filter_set to complement my Baader narrowband filters.Just one question though is "do i really need the uv/ir , clear glass filters ???"As i will be using the filters in a filter wheel when would i need to use the uv/ir filter ????CheersSteve Link to comment Share on other sites More sharing options...
MartinB Posted November 7, 2008 Share Posted November 7, 2008 Isn't that your luminence filter Steve? The issue for this set is finding a suitable par focal ir blocking LP filter, if you need one that is. You could use an IDAS or CLS in place of your luminence but they won't be par focal. Not the end of the world if you are happy to tweak the focus when you change from RGB to L. Do Baader make a suitable filter. Is the neomydium par focal? Link to comment Share on other sites More sharing options...
Kai Posted November 7, 2008 Author Share Posted November 7, 2008 MartinThe set comes with a clear glass filter as well , i thought that i could use that as luminence or i do have a Cls.This is why i am a bit confuddled Link to comment Share on other sites More sharing options...
MartinB Posted November 7, 2008 Share Posted November 7, 2008 I don't think the set will have an LP filter, just the 3 colours and the clear IRblocking luminence. Link to comment Share on other sites More sharing options...
Kai Posted November 7, 2008 Author Share Posted November 7, 2008 The set comes with a clear glass and a uv/ir filter and i already have a Astronomik Cls filter.So i take it i would use the uv/ir OR the Cls for luminence thus causing the clear glass filter to be redundant. :scratch: Link to comment Share on other sites More sharing options...
MartinB Posted November 7, 2008 Share Posted November 7, 2008 The clear glass filter would be good with mirror optics where the IR isn't such an issue. Link to comment Share on other sites More sharing options...
Kai Posted November 7, 2008 Author Share Posted November 7, 2008 So i could use the Clear glass with my C8sct and the UV/IR , CLS with the ED80 .....yes Cheers Martin Link to comment Share on other sites More sharing options...
MartinB Posted November 8, 2008 Share Posted November 8, 2008 I reckon so Steve. The clear filter will then simply be to maintain par focality of the luminence. Link to comment Share on other sites More sharing options...
Kai Posted November 8, 2008 Author Share Posted November 8, 2008 Cool It looks like i have a fair learning curve this season then , what with a new CCD on the way and taking my first steps into colour imaging .....Do you fancy a weekend down in sunny Kent ??? (the french red wine markets are only a hour away)Thanks again Martin Link to comment Share on other sites More sharing options...
MartinB Posted November 8, 2008 Share Posted November 8, 2008 Guarantee the sunshine and I'm on my way! Link to comment Share on other sites More sharing options...
Kai Posted November 17, 2008 Author Share Posted November 17, 2008 Just a follow up question if i may.....Does anybody know if the Baader Narrowband filters are par focal with the above set ???? Link to comment Share on other sites More sharing options...
FLO Posted November 17, 2008 Share Posted November 17, 2008 I asked Baader in Germany the same question. They said the new Baader Narrowband CCD Emission Line & H-Alpha Filters are parfocal with each other, as are the new Baader LRGBC CCD Filters. But, the narrowband filters are not necessarily parfocal with the LRGBC filters. However, there was a pause when I asked so I made a mental note to ask them again when next I spoke. I'll try again tomorrow. Link to comment Share on other sites More sharing options...
Kai Posted November 17, 2008 Author Share Posted November 17, 2008 Cheers SteveI have a Ha and OIII Baader filter but they are about 18 months old so i not sure if they are the new narrowband filters. Link to comment Share on other sites More sharing options...
FLO Posted November 17, 2008 Share Posted November 17, 2008 They probably aren't. Do you know their bandwidth? Link to comment Share on other sites More sharing options...
Kai Posted November 17, 2008 Author Share Posted November 17, 2008 This onehttp://www.firstlightoptics.com/proddetail.php?prod=boIIIandA Baader 7nm Ha Filter Link to comment Share on other sites More sharing options...
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