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ZWO O-III 7nm

astronomy-imaging-camera.com/.../zwo-new-narrowband-2-filter
Frozen as ambiguous
TypeOxygen-III (OIII)
SizeOther
Bandwidth7 nm
Users 973
Images 7220
Most often used with
ZWO ASI1600MM Pro
Known retailers High Point Scientific
Also available in the following variants:
1.25"
2"
31 mm
36mm
36 mm