The 2x barlow lens is full metal constructed and precisely CNC machined; 1.25 inch Telescope Eyepiece Extension Tube; It provides extra focuser back travel which is often needed for short range terrestrial viewing or astrophotographic applications
Barlow element separates from extension tube and threads directly into a 1.25 inch eyepiece for 2x increase in magnification; The barlow lens provide a high power magnification allow you look more closely and detailed at the surface of moon; other planet
Quality aluminum stock and black anodized body with M42x0.75 mm Thread: Work as a T adapter; connect DSLR / SLR camera to telescope easily via a separate sale T ring adapter
Allows you to use 1.25 inch eyepieces in any 2 inch telescopes focuser; star diagonal; or holder
An affordable way to increase the number of eyepieces to use with your 2 inch focuser equipped telescope