Astronomik Sulfur II (SII) filter with a bandpass of 12nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with the Astronomik LRGB Type IIc color filters.
|Name||QSI - Astronomik 1.25" Sulfur II filter 12nm FWHM|
|Manufacturer||Quantum Scientific Imaging, Inc.|