With a 1.25" 2x, 2.5x, 3x, 5x, as well as a versatile 2" 2x Barlow available you will find a Barlow just right for your application! The Apertura 3x, 5x, as well as the 2" 2x Barlow utilize ED or "extra-low dispersion" glass. This means that the optics in these Barlows are better able to focus all of the colors properly for sharper images. Each Barlow in the Apertura lineup comes outfitted with a brass compression ring to keep your eyepiece stable and protected from marring. Expect high-quality multi-coatings on every air to glass surface as well as keeping stray reflections at bay and maximizing contrast.
Another benefit of going with Apertura products is their awesome warranty, and regardless of which Barlow you choose, you can expect the best performance possible for your dollar. Choosing a high-quality Barlow lens is an excellent way to get the most out of your eyepieces, and with all the benefits of the Apertura brand, it is hard to go wrong no matter which one you choose!