Baader Q-Barlow Lens - HT-Multicoated - BQB type-books-software-and-star-atlases Linear Field of View (@1000

Linear Field of View (@1000 yds): 225ft @ 10x

along with improved motors

especially larger format CCD and DSLR cameras

2" Rack & Pinion Focuser

About the TeleVue 21mm Ethos Eyepiece - 2"

Baader Q-Barlow Lens - HT-Multicoated - BQB type-books-software-and-star-atlases Linear Field of View (@1000Baader Q Barlow Lens HT Multicoated The Classic Q Barlow has been optically matched to the Classic Eyepieces, and its 2. 25X magnification gives a well spaced set of focal lengths. Its removable lens cell can also be unthreaded from the 1. 25" barrel, and directly threaded onto any of the Classic Baader eyepieces to give 1. 3X, further filling in the choice of focal lengths. Alternatively, it can be directly threaded onto the 1. 25" barrel of the Q