Celestron 2x and 3x X-Cel barlow lenses feature a 3-element fully multi-coated design with brass compression rings, tactile rubber grip and hard black anodise finish.
'The barlow did a good job on our test subjects, which also included the Moon and Venus as well as our deep-sky objects... This barlow lens certainly performs well at its main job of doubling the magnification of an eyepiece, and what's more it is also the cheapest in the test.' BBC Sky at Night group-test.
