Transmittance (HT) glass for ultra-high resolution, optical performance, and light transmission SCHMIDT-PECHAN prism, combined with HD glass, provide unmatched chromatic and spherical aberration correction for clear, vibrant images Spectracoathighly efficient, ultra-wide broadband, anti-reflection lens coatings reduce surface reflections to extremely low levels across the entire visible spectrum providing superior light transmission Angled eyepiece, combined with rotating tripod collar, provides the user with multiple viewing angles, to accommodate setup and usage in any terrain Comes equipped with a variable power eyepiece. This eyepiece can be locked int Mfg: Sig Sauer, Inc.