For All Things Astro
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Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colours. The LRGB filter set divides the spectrum into its components red, green, blue and luminance.
OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural colour imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves colour balance and separation.
I have been using this set with an ASI 2600 monochrome camera and SW 120 Esprit -have been satisfied with performance to date. These filters divide the spectrum into its components red, green, blue and luminance. The price point is good, they are safely packaged in plastic casings. On inspection, they are professionally constructed and fit well with ZWO filter wheel. I have not done side-by-side comparison with similarly or more expensively priced filter sets, but performance to date has been solid. With deep space astrophotography, subs showed no star halos or any reflections and colors were clearly differentiated. Filters were all parfocal and images were contrasty.
