A New King of the Hill in terms of filters for OSC (One Shot Color) astro cameras has arrived!
It's a dual band 3nm filter with no halo's according to this article. It isn't a cheap filter, but it looks like it's well worth the money.
Please check out the article by Optolong: [2022 NEW] Optolong L-Ultimate dual-3nm filter-Optolong Optics Co.,Ltd.
It's a dual band 3nm filter with no halo's according to this article. It isn't a cheap filter, but it looks like it's well worth the money.
Please check out the article by Optolong: [2022 NEW] Optolong L-Ultimate dual-3nm filter-Optolong Optics Co.,Ltd.