This bundle set includes SV220 dualband filter 7nm 2inch, which is properly designed for astrophotography both in light polluted environment, uv-ir cut filter, uhc filter, SV164 dark filter, H-beta filter, SV226 filter drawer or SV133 filters wheel 2inch.
This SV220 Dual-Band Telescope Filter 2 inches - SV226 Filter Drawer Combination is best for deep space astrophotography.