Flir/armasight PTS536 4-16x50 320x256 60Hz Core 50mm Lens Powered by the breakthrough FLIR Boson core, the ThermoSight Pro Series® PTS536 weapon sight sets the standard for thermal detection and classification. Featuring a 12 µm pixel pitch sensor and 50mm lens, the PTS536 delivers brilliant, clean thermal imaging with a focused 4.5° × 3.5° field of view. The entire ThermoSight Pro Series offers an uncompressed video signal, a high definition display, and shot-activated video recording. Specifications: - Detector Type : 320 x 256 VOx Microbolometer - Eye Relief : 45 mm - Focus Range: 10m to infinity - Internal Memory : Up to 2.5 hours of recorded video or up to 1,000 pictures - Size (L x W x H): 10.2" × 2.7" × 3.3" (259 x 68 x 84 mm) - Weight: 0.81 kg (1.78 lbs) - Zoom : 1×, 2×, 4× - Boresight Adjustment Type: Digitally Controlled - Color (housing): Black - Height of the Scope Axis above Rail : 1.65 in (42 mm) - Lens System : 50 mm; F/1.0 - Optical Magnification: 4x - Weapon Mount Type : Picatinny, MIL-STD 1913, and Weaver Rails - Video Output : Digital Video - Operating Temperature : -20°C to +50°C (-4°F to +122°F) - Storage Temperature : -40°C to +60°C (-40°F to +140°F) - Includes : - Thermal Weapon Sight - CR123A Battery (2) - Battery Cassette, Spare Battery Cassette - USB to USB Type C Cable (3') - Lens Cloth - Quick Start Guide - Hard Carrying Case