Here is a low-cost eyepiece that has all-metal construction. Image
quality is fairly good. Surplus Shed sells them for $17.50 + shipping.
Standard 1.25" barrel. Has internal threads, but not standard for
filters. Unused. Coated optics.
Paypal instant fund transfer is the only payment method I can
accept for this item. Price includes First Class Mail shipping in
the continental US. Shipping address must be Paypal confirmed.
Other reasonable offers considered. Thanks for looking.