Baader is good, although that price... GSO is cheaper.
Didn't saw any test that showed that in absolute values that any given filter set is best. People get some filters, do some images with them and then say how those filters performed in their system. They aren't reviewing the filters but their system with the filters as a whole. Plus there is a lot of reason people pick specific RGB sets - like color balance for given sensor. Astrodon has few sets with different characteristics, Baader has a different one, Astronomik or Chroma their own too. Buying by price descending blindly isn't the best solution. If you want Astrodon - go with it - but only when you know and understand that you explicitly need one of their LRGB sets and why. Don't buy just because some other people use it or because it's a premium brand.
Image processing, IR luminance or narrow bands of RGB filters. There were and still are ways to limit dispersion effect on images. Corrector makes it way easier as well as enables high resolution imaging of broader bands (L-channel for example).
I can buy from that link, if you know another links then please post them as i don't use OPT, and GSO cheaper so give me all links where i can order from with cheap price and shipping, don't forget that shipping is also a factor, i buy a cheap item then the shipping is more than the item is pointless then, and i won't buy a filter alone, i will buy several items at once, that is why that link i posted to tell me about that filter if correct or not, if i can other items from another site with good shipping price then i will go for it.
Ok, Astrodon is in my plan, regardless what you are saying, i am happy with that one Astrodon Ha i have already, so i don't stop going for them, i already have filters so the replacement or better say the second buy must be Astrodon, it won't affect my plans, don't worry, i did read about Astronomik and Chroma and Optolong and Baader and ZWO and even another brand i don't remember the name, Astrobin is full of Astrodon imagers, and definitely i will buy by price and brand name, i can't buy everything of high end names but i can get some, this is not something i must forget, i will afford what i can afford, and i only buy several filters one by one, LRGB Astrodon as a set isn't crazy impossible expensive, they are pricey for reasons, you don't care about reasons or don't believe that is your business, i never read someone had Astrodon and didn't like it, if so then anything else isn't better.
Processing is always a fun itself, it is also a skill, important beside taking lights/exposures, without that processing the images won't be that good then, so if processing can solve or reduce issues that is great, but it is not bad to have tools to make life easier, i bought ADC automatically even before you start to comment about my questions first time, so i did right then by getting ADC, i will learn using it by the time, i tried it in visual and i saw the difference, it is easy in visual, while with imaging that needs time, i will learn it, and many recommend me to use Firecapture that will help for ADC, i will come for that too one day, i just asked for curiosity if it can be done without ADC, it is like using kind of filters in photography that sometimes can't be replaced by processing, such as CPL filter, so i think ADC is to correct something can't be done by processing much by your statement?
Very very sorry and i apologize posting here in this thread, OP asked about IR-pass, and i wanted to know but we went far, but good i got answers about IR-pass, sounds better to go with visual filter then of Orange/Red/Yellow, thanks and sorry again.