William Optics 2x Barlow Nosepiece for Binoviewer (E-BINO-B2) Tripod The binocular eyepieces adjust to

The binocular eyepieces adjust to accommodate users’ interpupillary distances

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

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

With this M/F M48 adapter you have a separation range of 31-49mm

This dramatically increases the sensor’s sensitivity to red and near infrared (NIR) light

William Optics 2x Barlow Nosepiece for Binoviewer (E-BINO-B2) Tripod The binocular eyepieces adjust toThis 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.