ZWO OIII 7nm 2-inch Filter

The ZWO OIII 7nm Filter 2" is designed to see deep sky objects.

These filters' main purpose is to reduce the transmission of any unwanted artificial light caused by the oxygen emission, that may cause hindrance.

Therefore, these filters help in increasing contarct among the nebula and the night sky, giving you a clearer view of the objects.

Technical Parameter:

Name: ZWO New narrowband 2″ filter Size: 2″

Thickness: 5mm+2.5mm(thread)

Glass thickness: 1.85mm

Thread: M48*0.75 male thread

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ZWO OIII 7nm 2" Filter (2 inch)