The EOTech G33 is a 3x magnifier compatible with all EOTech Holographic Weapon Sights. The Switch-To-Side mount allows the magnifier to be engaged or disengaged without tools or removal. The G33 provides 2.2" of eye relief and a 7.3 degree field of view. The G33 features fog resistant internal optics and is is water-resistant to 33 ft.