Kruger Optical 1.5-5x32 TD-T4i 30mm F-PLEX Riflescope The easy-to-operate 4x magnification system provides a solid zoom range for target acquisition at various distances Include 1/4 and 1/2 MOA resettable locking adjustments with clicks The 30mm main tube allows for ample windage and elevation adjustment range These tough scopes are waterproof/fogproof, and they feature multi coated optics Fast-focus eyepiece