Astrodon OIII 3nm Narrowband Filter - 31mm Round Unmounted

[whale]

Astrodon OIII 3nm Narrowband Filter - 31mm Round Unmounted.

Used on two occasions.

Was purchased for $490 USD,

will sell for $420 AUD

Local Melbourne pickup available. Postage extra. Add 3% if paying by Paypal.

cheers

Nick

[mountainjoo]

Pity, I was after both the filters you have for sale but ordered new a week ago!

[Andy01]

Pm sent