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Optolong L-Extreme filter 2"
Lightly used 2" Optolong L-extreme dual band filter.
7nm passbands in H-alpha and OIII. As new condition, no scratches or marks, in original box.
Current retail $439. Asking $320 which includes postage within Australia.
Last edited by Rigel003; 26-06-2022 at 05:28 PM.
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