Pulsar TELOS LRF XP50 Hand Held Thermal Monocular - 50mm <18mK 640x480px 17um
- Upgradeable design for future-proof technology and long-term use.
- 640×480, 17µm Lynred sensor with <18 mK NETD for extreme thermal sensitivity.
- Powerful 50mm f1.0 objective lens with detection range up to 1800 metres.
- Built-in precision laser rangefinder with ±1m accuracy up to 1000 metres.
- Advanced Image Boost processing for superior clarity and detail.
- Durable IPX7 waterproof, rubber-armoured housing built for harsh environments.


The Pulsar Telos LRF XP50 is a cutting-edge thermal imaging monocular that redefines adaptability in the field. As the first in Pulsar’s line of fully upgradeable devices, it offers users the ability to upgrade its technical components over time, ensuring it remains cost-effective and future-proof.
Equipped with a highly sensitive 640×480 Lynred thermal sensor with <18 mK NETD, paired with a 50mm f1.0 germanium lens, the Telos LRF XP50 delivers crystal-clear thermal imaging and reliable detection at distances up to 1800 metres. Its built-in laser rangefinder adds precision to every observation, offering quick and accurate distance measurements up to 1000 metres.
With Pulsar’s advanced Image Boost processing, ergonomic design, customisable controls, and robust IPX7 waterproof housing, the Telos LRF XP50 is built to perform in all conditions. Coupled with video and photo recording, Stream Vision 2 connectivity, and a comfortable all-day observation experience, this thermal monocular is engineered to keep users ahead in the field.
- Thermal Sensor 640×480, 17µm
- NETD <18 mK
- sNETD <15 mK
- Objective Lens 50mm f1.0
- Magnification 2.5 – 10x (x4 digital zoom)
- Field of View (HxV) – Degrees 12.4 × 9.3
- Field of View (HxV) – m @ 100m 21.8 × 16.3
- Detection Range 1800m
- Frame Rate 50 Hz
- Eye Relief 14mm
- Display 1024×768 AMOLED HD
- Laser Rangefinder Range 1000m
- Laser Rangefinder Accuracy ±1m
- Laser Class 1 (IEC 60825-1
- Laser Wavelength 905 nm
- Video Recording Built-in recorder with audio & still image capture
- Video/Photo Resolution 1024×768
- Video/Photo Format .mp4 / .jpg
- Built-in Memory 64 GB
- Wireless Protocol Wi-Fi
- Wireless Standard IEEE 802.11 b/g/n/ac (WPA)
- Wi-Fi Frequency 2.4 / 5 GHz
- Environmental Protection IPX7 waterproof
- Operating Temperature -25°C to +40°C
- Compatible Mounts 1/4″
- Supported Application Stream Vision 2
- Output Voltage 3.0 – 4.2 V
- Battery Type LPS 7i Li-Ion Battery Pack
- Capacity 6400 mAh
- Operating Time Up to 7 hours (depending on temperature)
- External Power Supply 5V; 9V (USB Type-C Power Delivery)
- Body Material Rubber armoured reinforced plastic
- Dimensions 238 × 72 × 90 mm
- Weight 670 g
- Upgradeable Device Concept – The first in Pulsar’s upgradeable line, allowing sensor, lens, and electronic component upgrades for cost-effective longevity.
- Extreme Thermal Sensitivity – 640×480, 17µm Lynred sensor with <18 mK NETD for detecting even the smallest heat signatures in fog, rain, snow, or humidity.
- Powerful Detection – Paired with a 50mm f1.0 fast aperture germanium lens, delivering clear target detection up to 1800m.
- Advanced Image Boost – Proprietary algorithms enhance detail, sharpness, and contrast across varying distances and low-contrast environments.
- Laser Rangefinder Precision – Integrated 1000m rangefinder with ±1m accuracy, with both single-step and continuous scanning modes for quick, error-free distance assessment.
- User-Centred Ergonomics – Top-panel button layout, rotatable hand strap for left/right-hand use, and smooth camera-style focusing/magnification rings.
- Customisable Controls & Interface – Reorder menus and configure buttons for fast access to frequently used functions.
- Eight Colour Palettes – White Hot, Black Hot, Red Hot for detection; Rainbow and Ultramarine for recognition; Sepia, Red Monochrome, and Violet for extended viewing.
- Built for Durability – Rubber-armoured reinforced polymer body with non-slip grip, IPX7 waterproof rating, and reliable performance from -25°C to +40°C.
- Integrated Recording & Connectivity – Built-in still image and video recorder with audio, 64GB internal memory, and Wi-Fi connectivity via Stream Vision 2 app for remote control, sharing, and firmware updates.
- Pulsar TELOS LRF XP50 Hand Held Thermal Monocular - 50mm <18mK 640x480px 17um
- Attachable hand strap
- Carry case
- LPS7I Replaceable Li-ion battery
- Straps for belt attachment
- User manual
- Pulsar 3 year warranty
Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE
COURIERS
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We use DPD , RoyalMail, TNT and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number.
IN-STORE ITEMS
These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.
PRE-ORDER ITEMS
These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.
INTERNATIONAL DELIVERY & TAXES
In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.
NEED HELP?
If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk
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A NOTE ABOUT DPD SHIPMENTS:
- Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
- If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
- The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
- Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
- Please view the attached slides HERE for further information!