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Antlia 3.5nm Narrowband Sulfur II

agenaastro.com/.../antlia-3-5nm-narrowband-sulfur-ii-sii-filter-36mm-unmounted.html
Frozen as ambiguous
TypeSulfur-II (SII)
SizeOther
Bandwidth3.5 nm
Users 226
Images 1270
Most often used with
ZWO ASI294MM Pro
Also available in the following variants:
1.25"
2"
36 mm
50 mm