Ortho/ Plossl 17mm or 18mm

[MortonH]

Having found a 25mm Plossl that I can Barlow to 12.5mm, I'm now looking for a quality 17/18mm Ortho or Plossl that will Barlow nicely down to around 9mm.

Please PM me if you have one to sell.

Thanks.

[MortonH]

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