LRGB Deep Sky Imaging Filter - 2"

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The LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter set divides the spectrum into its compon ents red, green, blue and luminance. OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.Fine-optically polishing for double-sides—— Ensure accurate ?/4 wavefront and Show more