William Optics 20mm SWAN
For sale is a mint 20mm SWAN (Super Wide Angle) eyepiece.
AFOV is 72°. Eye relief 17mm. Very lightweight (100g).
Includes original caps. No box.
Asking $75.
Enquiries by PM please.
Last edited by MortonH; 27-08-2019 at 07:52 AM.
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