Tangent Theta 800101-0008 TT315P: The Ultimate Long-Range Precision Riflescope for Professional MarksmenThe Tangent Theta 3-15x50mm model TT315P Rifle Telescope is a high-performance sighting instrument designed for professional marksmen who require precision and accuracy at long ranges. The telescope is built with ruggedness in mind and has been optimized and refined by Tangent Theta's experienced development team to provide mechanical precision and superior image quality. The elevation and windage mechanisms of the telescope are precise and feature a TOOL-LESS RE-ZERO procedure, making it easy for the user to make adjustments without the need for any tools. This feature is particularly useful for marksmen who need to quickly make adjustments while in the field. Tangent Theta rifle telescopes are built in Canada and undergo rigorous function testing to ensure long lifecycles in the harshest environmental conditions. This means that marksmen can rely on the telescope to perform consistently, even in challenging weather and terrain conditions. The Tangent Theta 3-15x50mm model TT315P Rifle Telescope is a high-quality instrument that combines precision, durability, and ease of use to meet the needs of professional marksmen. Features: eleven reticle illumination settingsside parallax adjustmentTOOL-LESS RE-ZERO® feature (US Patent # 10,591,253)non-translating knobs with elevation zero-stopdouble-turn elevation with a revolution indicatorlockable rapid adjusting diopter Tangent Theta TT315P Professional Marksman 3-15x50mm Illum 34mm .1 MRAD Adj. Horus Tremor3 Riflescope 800101-0008