Firefield, a subsidiary of SIGHTMARK, is an American brand that offers a range of quality sighting optics with an excellent price-performance ratio. Among its offerings is the Impulse 1x22 Compact red dot sight featuring a red/green circle dot reticle adjustable across 5 brightness levels. The optic boasts several strengths, including high-quality optics, a waterproof rating of IPX5, and durability up to .308 caliber. Crafted with precision using CNC-machined aluminum, this American-made sight is both lightweight and robust. It comes equipped with a flip-up protection, providing added convenience. The sight offers an impressive battery life ranging from 15 to 240 hours of continuous use with the included CR2032 battery. With unlimited eye relief and an enhanced optic, the Firefield Impulse 1x22 Compact stands out as a Micro T1-type sight suitable for various shooting applications.