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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.

Click the link below to see our informative video introduction to Barlow lenses:

Watch our video: An introduction to Barlow lenses

Ideal for high powered Lunar, Solar (with filter!) and Planetary observation.

So what's so great about the GSO 2.5x Barlow lens?

The sheer quality of this Barlow gets 10 out of 10 points with us. The three element design delivers APO performance - all lenses are edge blackened for better contrast and the black aluminium parts are electrophoretic coated for long service life and ultra good looks.

The aluminium optical cell features a deep baffle funnel to maximise contrast.