Astronomik UHC-E 2" visual filter.
http://www.bintel.com.au/Accessories...oductview.aspx
From the product page:
"The UHC-E Filter increases contrast of emission nebulae and comets and blocks the light of typical streetlights as well as airglow. It is best suited for telescopes up to 5" or 125mm."
Near new condition with orginal jewel case.
Bintel price $189
Asking $120 plus post.
PM me.
Thanks for looking,
gb.