Used Tele Vue 2x Barlow 1-1/4" Hand Controller It will be parfocal with

It will be parfocal with both 2" and 1¼" eyepieces in this application

These are used Explore Scientific 62 degree 1

Seestar automatically locks onto your constellation

4 1/2" Apo Refractor

Used Tele Vue 2x Barlow 1-1/4" Hand Controller It will be parfocal withCondition: This is a used 2x 1. 25" Tele Vue Barlow in excellent condition. The optics are clean and the body is unmarked. It comes with its original caps and box! Description Tele Vue Barlows reduce aberrations to below the airy disc in an f 4 system and lay to rest the popular myth of the "degrading Barlow." Properly designed Barlows do wonderful things: They amplify power, slow the telescope's f # (improving eyepiece sharpness), and give designers