SV160 SVBONY S-II 1.25" 7 nm Astrophotography Filter Refractor Mount 5ppm Adjacent channel selectivity( w/n)

5ppm Adjacent channel selectivity( w/n) 60dB@12

NGC 4151 The Eye of Sauron–Emilio Frangella

included at no extra cost with this bundle

Filter Drawer MAX

SV160 SVBONY S-II 1.25" 7 nm Astrophotography Filter Refractor Mount 5ppm Adjacent channel selectivity( w/n)SVBONY 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