Pulsar Telos XL50 Thermal Monocular 2.5-20x50mm 50 Hz 1024x768 HD Black. Designed for ambidextrous and prolonged use the Telos features a unique rubberized housing. The front-located focusing and digital zoom rings ensure tactile and effortless operation. The new haptic feedback function enhances intuitiveness by providing short vibrations when control buttons are pressed. A newly designed replaceable battery allows for up to 8 hours of continuous operation. Telos is the new concept of upgradeable thermal imaging monoculars. It is the first line of thermal devices on the market to offer the option of technical hardware upgrade. The components of the Telos can be replaced with new ones featuring better characteristics. The user doesn't need to acquire a new device when introducing newer technology. Telos is designed to be time-resistant future-proof and constantly adapt to a hunter's ever-changing needs. With their new upgradeability concept your Pulsar Telos thermal imaging monocular will become a renewable device. Or if you wish a device for life. Specifications for Pulsar Telos XL50 2.5-20x50mm Thermal Monocular: Manufacturer: Pulsar Magnification: 2.5 - 20 x Color: Black Field of View Linear: 24.6 - 18.5 m at 100 m Resolution: 1024x768 pixels Field of View Angle: 14 - 10.5 degrees Objective Lens Diameter: 50 mm Width: 72 mm Length: 243 mm Height: 90 mm Battery Life: 7 hours Eye Relief: 14 mm Battery Type: Lithium Ion Weight: 0.72 kg Water Resistance Level: IPX-7 Refresh Rate: 50 Hz Noise Equivalent Temperature Difference: 40 mK NETD Features of Pulsar Telos XL50 2.5-20x50mm Thermal Monocular Addition of the laser rangefinder for the non-LRF models Sensor upgrade Objective lens upgrade Package Contents: Pulsar Telos XL50 2.5-20x50mm Thermal Monocular Pulsar PL77516: Telos XL50 Thermal Monocular 2.5-20x50mm 50 Hz 1024x768 HD Black