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Baader D-ERF energy reduction filter and filter cell
For sale Baader D-ERF energy reduction filter 90mm in a Teleskop Express filter cell , fits refractor with dew shield of 92mm snug like a William optics GR71 or smaller with nylon screws . Mint condition.
Price $590
Last edited by beren; 31-10-2022 at 11:11 AM.
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