The Pulsar Telos LRF XT50 is a premium thermal imaging monocular designed for long-range observation, detection and identification, combining a high-resolution XT thermal sensor with a powerful 50 mm objective lens and integrated laser rangefinder.
Its 1280 x 1024, 12 µm thermal sensor with <20 mK sNETD delivers highly detailed thermal imagery, while the 50 mm f/1.0 lens provides a 17.5° field of view and detection range of up to 2,300 m. The device offers 2-16x magnification with Zoom Boost up to 24x, alongside a 1920 x 1080 AMOLED HD display for enhanced image clarity, contrast and colour reproduction.
The built-in laser rangefinder measures distances up to 1,200 m with ±1 m accuracy, while electronic image stabilisation helps reduce camera shake and motion blur. Built for demanding outdoor use, the Telos LRF XT50 features a robust rubber-coated composite housing and IP67 protection against dust and moisture, with operation across temperatures from -25 to +40 °C.
An LPS7i rechargeable battery provides up to 8 hours of operation. It supports wireless charging, while NFC and Wi-Fi connectivity enable quick pairing with the Stream Vision 2 app for remote control, live viewing and firmware updates. Stream Vision Ballistics compatibility also provides access to ballistic data, profiles and calculator settings.
Weighing 730 g and measuring 243 x 72 x 77 mm, the Telos LRF XT50 combines premium thermal performance, long-range ranging and advanced connectivity in a compact monocular format.
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| Microbolometer | |
|---|---|
| Type | Uncooled |
| Resolution, Pixels | 1280x1024 |
| Pixel Pitch, μm | 12 |
| Sensor NETD, mK | < 40 |
| System NETD, mK | < 20 |
| Frame Rate, Hz | 50 |
| Optical Characteristics | |
| Optical Magnification, x | 2 |
| Smooth Digital Zoom | 2-16 2-24 with Zoom Boost |
| Digital Zoom, x | x1 - x8 x1 - x12 with Zoom Boost |
| Lens Focus, mm | 50 |
| Relative Aperture, D/f' | 1.0 |
| Minimum Focus Distance, m/y | 5 / 5.5 |
| Eye Relief, mm/inch | 13 / 0.51 |
| Exit Pupil Diameter, mm/inch | 5 / 0.2 |
| Angular Field of View (Horizontal x Vertical), degrees | 17.5x14 |
| Linear Field of View, m at 100 m | 30.7 |
| Eyepiece Focus Range, Dioptre | +4 / -5 |
| Detection Distance for Deer-Sized Objects, m/y | 2300 / 2515 |
| Display | |
| Type | AMOLED |
| Resolution, Pixels | 1920x1080 |
| Operational Characteristics | |
| Power Supply, V | 3 - 4,2 |
| Battery Type/Capacity/Nominal Output Voltage | LPS7i Li-ion Battery Pack / 6400 mAh / DC 3,7 V |
| External Power Supply | 5 V, 9 V (USB Type-C) |
| Battery Run Time at t=22°C, hours* | 8 |
| Degree of Protection, IP Code (IEC60529) | IPX7 |
| Operating Temperature Range, °C / °F | -25 … +40 / -13 … +104 |
| Dimensions, mm | 242x72x77 |
| Weight (with battery), kg/oz | 0.73 / 25.75 |
| Video Recorder | |
| Photo/Video Resolution, Pixels | 1440x1080 |
| Video/Photo Format | .mp4 / .jpg |
| Built-in Memory | 128 GB |
| Wi-Fi Channel** | |
| Frequency | 2,4/5 GHz |
| Standard | IEEE 802,11 b/g/n/ac |
| Characteristics of the Rangefinder | |
| Wavelength, nm | 905 |
| Measurement Range, m/y*** | 1200 / 1312 |
| Measurement Accuracy, m/y | 1 / 1.09 |
| * Actual operating time depends on the extent of using Wi-Fi, Bluetooth, integrated video recorder and integrated laser rangefinder. ** Reception range may vary depending on various factors: obstacles, other Wi-Fi networks. *** Depends on the characteristics of the object under observation and environmental conditions. |
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