This is the Celestron Ultima 2x barlow, with 1.25" barrel. It is considered one of the better premium short barlow. For SCTs, you can use it before the star diagonal to get 3x magnification.
It is in excellent condition, and going for $100 firm. Kindly sms or pm me if you are keen.
For sale: Ultima 2x barlow (sold)
For sale: Ultima 2x barlow (sold)
Last edited by rlow on Sat Sep 30, 2006 12:35 pm, edited 1 time in total.