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

You don't have to sacrifice field in order to gain sharpness and power

8A(GOTO) Power requiremention 12V DC

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

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

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.