Nikon Wide DS Eyepiece Equivalent to Nav SW 17.5mm Pair

This is a pair of low power Nikon wide DS eyepiece for their fieldscope series. They have 17.5mm focal length and 72 degree AFOV, optically they are almost identical to NAV-SW 17.5mm eyepieces. Compared to the astronomy version, they are a bit lighter, both have Nikon standard M32x0.75 thread. And they also comes with 3D printed 1.25" adapter to be used in telescopes. 

Both are in mint condition with all original parts and boxes.

Price is $160 for one and $300 if taking the pair. Price includes shipping to CONUS, and please add 3% if using paypal purchase.

Thanks for looking