3x magnification range Parallax setting: 109 yd / 100 m 50 mm objective provides enhanced twilight performance SWAROTOP coatings: anti-reflective multicoating enhances light transmission SWARODUR coating: protective scratch-resistant coating on external lens surfaces Nitrogen purged - waterproof to 13.0'/4.0 m Durable yet lightweight 1.0' aluminum main tube Microstructure surface: precisely defined ribbing minimizes residual reflections inside the tube for bright, high-contrast viewing Ballistic turret: Swarovski's ballistics program enables setting the scope's zero for three separate distances. Proper positioning of the three color-coded disks on the turret provides a quick visual confirmation of your current zero and the ability to range out to longer distances with ease