Meade #127 1.25-Inch 2x-3x Variable Barlow Lens
07274 Features: -Lens.-Allow for continuous variable power factors between 2 and 3-times magnification.-Positive stops at both ends of travel, as well as engraved scale to indicate power.-Recommended on telescopes with focus ratios of f/6.0 and longer.-Diameter: 1.25". Assembly Instructions: -Comes with precision sliding lens assembly. Warranty: -Comes with 1-year limited warranty.