San Pedro, CA (February 2026) — Armasight continues its legacy of innovation in thermal optics with the launch of the Operator 640 1-4×35 Thermal Clip-On, a rugged and versatile thermal imaging solution designed to transform any compatible daytime riflescope into a high-performance thermal system without re-zeroing. Built for demanding applications from tactical operations to big-game hunting, the Operator 640 redefines what shooters can expect from a clip-on thermal device.
With a 640×480 ArmaCORE™ thermal sensor and a premium 35 mm germanium objective, the Operator 640 delivers crisp thermal imagery with a detection range exceeding 1,300 meters on a human-sized target, even in complete darkness, fog, or smoke. Its advanced optics and thermal core allow users to quickly identify heat signatures and maintain situational awareness across a variety of environments and lighting conditions.
What sets the Operator 640 apart is its plug-and-play simplicity. The clip-on unit mounts directly in front of a 1x–6x daytime optic and requires no re-zeroing once installed, meaning users can switch between day and night capability instantly without losing their point of aim. Intuitive, tactile three-button controls make operation straightforward even under stress, and multiple color palettes and image enhancement modes let users customize the view for specific tasks.
Designed for rugged use in the field, the Operator’s aerospace-grade aluminum housing is both lightweight and durable. Rated IP67 for water and dust resistance, it is engineered to withstand harsh conditions from desert dust storms to winter cold. Recoil tolerance up to .50 caliber ensures compatibility with a wide range of firearms.
For extended missions, the unit runs on two commonly available CR123A batteries, delivering roughly four hours of operation at room temperature — with a clear battery status indicator to keep users informed. A USB-C port offers seamless video and image capture export, turning the clip-on into a tool for documentation as well as detection.
Armasight includes a quick-detach mount with every unit to facilitate rapid transition between platforms, and the package comes complete with a thermal zeroing target, USB-C cable, batteries, lens cloth, and protective soft case.
“With the Operator 640, we set out to make a thermal system that professionals can trust the moment they need it,” said a company spokesperson. “Whether on patrol, in the field, or overwatching a perimeter, this unit delivers the performance, durability, and ease-of-use today’s operators demand.”
The Operator 640 1-4×35 Thermal Clip-On is an impeccable fusion of precision engineering and battlefield-proven design — ensuring users stay mission-ready regardless of conditions.
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