Pixfra Sirius S650 Thermal Imaging MonocularThe Pixfra Sirius S650 is the long range specialist of the Sirius thermal monocular family. Designed for open country hunting, maritime surveillance, and professional search and rescue operations, this device pairs a high resolution 640512 thermal detector with a powerful 50mm objective lens. This optical combination delivers maximum detection range and superior detail at extended distances, allowing you to spot heat signatures well beyond the