Pay in 4 interest-free payments of $13.75 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
5mm back focus and an M54×0
DewMaster 2 -Five channels
5ppm Adjacent channel selectivity( w/n) 60dB@12
It gives a useful field of view
Designed for Heavy Light Pollution (Up to Bortle 8)
SV160 SVBONY S-II 1.25" 7 nm Astrophotography Filter Refractor Mount 5mm back focus and anSVBONY S II 1. 25" SV160 7 nm Astrophotography Filter The SVBONY S II 1. 25" SV160 7 nm Filter is a professional astrophotographic filter designed to isolate the ionized sulfur (S II) emission lines at 671. 6 nm and 672. 4 nm. With a narrow Full Width at Half Maximum (FWHM) of 7 nm, it delivers outstanding contrast and precision when imaging emission nebulae under light polluted skies. Main Features High precision bandpass filter optimized for the S
