Vectronix 917239 Vector X 42 ARD Set - 2-PackThe 1.4x Range Enhancers designed for Vector X MSR-DMR Binoculars offer a 40% increase in magnification, transforming the viewing experience:842 is elevated to 11421042 is enhanced to 14421242 is elevated to an impressive 1742 VECTRONIX SHOOTING SOLUTIONS VECTOR X 42 Range Enhancers 2pk 917239