The 2" 2x Barlow Lens by High Point is packed full of high end features. * Configured with an ED doublet lens design, the 2" 2X Barlow from High Point delivers superior Apoch * All air to glass surfaces are fully broadband coated for maximum resolution. * Beautifully constructed, the 2" 2X ED Barlow Lens from High Point comes with zero height 2" to 1.25 * Non-marring brass compression rings come standard on the 2" barlow and the supplied 1.25" eyepiece