I am selling my Ultima barlow because I all my eyepieces are 2" There are a couple minor barrel scratches but other that is in like new.
The Ultima Series Barlow (2x – 1¼") is an air-spaced, three element apochromatic design with a 27mm clear aperture. This lens features a very high quality, fully multicoated design. Amazingly compact and lightweight, it’s just 5 ounces and 2.75" in length.
Asking $75.00 (including shipping) in the US.