The exelon 3x50 features enhanced operating characteristics combination of a cf super tube and a high aperture 50mm r contact objective lens provides a distortion free crisp and geometrically precise image on the entire surface of the screen the cf super light amplification ratio of 1200 essentially exceeds a similar value of the gen 1 tube this feature gives the exelon 3x50 a great viewing range and high degree of detailed recognition of observed objects in field conditions under natural