Higher-quality and higher power GSO 2.5x Barlow lens which fits any 1.25" eyepiece. A state of the art Barlow from one of the worlds leading opticians (Branded Revelation Astro). Eyepiece holder socket features a wide brass compression ring (anti-mar).
Fully multi-coated three element design, multiplies the focal length of the telescope by 2.5x and thus increases the magnification of the eyepieces used with it by a factor of 2.5x also. Supplied complete with end caps.