WTB: 31mm or 1.25" SHO narrowband filter set
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I'm looking for a complete SHO set - Ha, OIII, and SII from the same brand. I'm not looking to assemble a set piecemeal right now, so complete sets only please.
Brands: Astrodon, Antlia, Baader, or Chroma. I'm specifically after this tier and not looking at other brands.
Bandwidths:
Ha: 3–5nm
SII: 3–5nm
OIII: 3–4nm
Format: 31mm round (unmounted or mounted) or 1.25" mounted. Any of these works for me, so long as they'll fit in the current gen (2025) ZWO 8x1.25 EFW.
Speed: Must be rated for scopes from at least f/4.8 to f/10, so no high-speed versions please.
Condition: Excellent, with no scratches, coating defects, delamination, or edge chips. Original cases preferred.
If you have a set you're looking to sell, please include the overall filter thickness, if you know it, and let me know your price shipped to La Mesa, CA (zip code 91942). If I receive several offers, I plan to make a decision no later than Sunday morning. Thanks!
Brands: Astrodon, Antlia, Baader, or Chroma. I'm specifically after this tier and not looking at other brands.
Bandwidths:
Ha: 3–5nm
SII: 3–5nm
OIII: 3–4nm
Format: 31mm round (unmounted or mounted) or 1.25" mounted. Any of these works for me, so long as they'll fit in the current gen (2025) ZWO 8x1.25 EFW.
Speed: Must be rated for scopes from at least f/4.8 to f/10, so no high-speed versions please.
Condition: Excellent, with no scratches, coating defects, delamination, or edge chips. Original cases preferred.
If you have a set you're looking to sell, please include the overall filter thickness, if you know it, and let me know your price shipped to La Mesa, CA (zip code 91942). If I receive several offers, I plan to make a decision no later than Sunday morning. Thanks!
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