William Optics 2x Barlow Nosepiece for Binoviewer (E-BINO-B2) Tripod Connection eyepiece: T-2 external thread

Connection eyepiece: T-2 external thread and focusable 1¼ "eyepiece

The binocular eyepieces adjust to accommodate users’ interpupillary distances

The hand controller can also connect to a computer (USB 2

compact all-in-one chassis designed to be installed on your telescope in the way you prefer

William Optics 2x Barlow Nosepiece for Binoviewer (E-BINO-B2) Tripod Connection eyepiece: T-2 external threadThis 2 power nose piece barlow makes it easier to focus with most telescope. It can be screwed onto 1. 25" eyepieces as well as binoviewers. For even more magnification, it can be placed after the optional binoviewer extender.