Pulsar MERGER LRF XT50 Thermal Binoculars - 50mm <40mK 1280x1024px 12um
- 1280×1024, 12µm HD thermal sensor (<40mK NETD) for unrivalled thermal clarity and detection.
- Built-in image stabilisation eliminates motion blur and camera shake during tracking or magnified viewing.
- Built-in precision laser rangefinder with 1500m range and ±1m accuracy.
- 50mm f1.0 objective lens with 2.0–16.0× magnification for detection ranges up to 2300m.
- Twin 1280×960 HD AMOLED displays reduce eye fatigue and deliver vivid thermal imagery.
- Stream Vision 2 compatibility with dual-band Wi-Fi for remote control, media sharing, and firmware updates.


The Pulsar Merger LRF XT50 Thermal Binoculars combine cutting-edge thermal imaging with professional ergonomics and portability. Featuring a 1280×1024, 12µm, <40mK NETD HD thermal sensor, a 50mm f1.0 objective lens, and built-in image stabilisation, these binoculars deliver exceptional clarity and stability for long-range observation up to 2300m. Equipped with twin HD AMOLED displays, a 1500m precision laser rangefinder, eight colour palettes, dual rechargeable batteries providing up to 8 hours of operation, and Stream Vision 2 Wi-Fi connectivity, the Merger LRF XT50 is perfect for professional, long-duration, and high-accuracy thermal observation.
- Thermal Sensor 1280×1024, 12µm
- NETD <40 mK
- sNETD <20 mK
- Objective Lens 50mm f1.0
- Magnification 2.0–16.0×
- Detection Range 2300 m
- Field of View (FOV) 17.5°
- Eye Relief 15 mm
- Frame Rate 50 Hz
- Image Stabilisation Built-in
- Display 1280×960 HD AMOLED
- Audio/Video Built-in video recording (with audio) and still image capture
- Video Format .mp4
- Image Format .jpg
- Video/Photo Resolution 1280×960
- Rangefinder Built-in precision laser rangefinder
- Rangefinder Wavelength 905 nm
- Measuring Distance 1500 m
- Measuring Accuracy ±1 m
- Built-in Memory 64 GB
- Wi-Fi 2.4 / 5.0 GHz
- App Connectivity Stream Vision 2
- Body Material Magnesium Alloy
- Level of Protection IPX7 Waterproof
- Battery Life Up to 8 hours
- Power Source Dual rechargeable Li-Ion internal battery & rechargeable APS3 external battery
- Dimensions (HxWxD) 197 × 140 × 72 mm
- Weight 950 g
- Large Format HD Sensor – delivers superb image quality with minimal noise and exceptional long-range detection.
- Built-in Image Stabilisation – reduces motion blur and vibration, providing clear and steady images even at high magnification.
- Comfortably Wide FOV – 17.5° field of view expands observation area for faster scanning and situational awareness.
- Precision Laser Rangefinder – extended 1500m measurement range with ±1m accuracy, offering single-step or continuous scanning.
- Eight Colour Palettes – optimise thermal observation for object detection, recognition, and night-time comfort.
- Comfortable, Ergonomic Design – classic binocular aesthetics with magnesium alloy housing for durability and long-duration observation.
- Twin HD AMOLED Displays – high-resolution 1280×960 screens reduce eye strain and reveal fine thermal detail.
- Dual Rechargeable Batteries – internal Li-Ion + external APS3 battery provide up to 8 hours of observation.
- Built-in Video & Image Recording – capture still images and videos with audio, free from motion blur thanks to stabilisation.
- Stream Vision 2 Connectivity – remote control, real-time viewing, browsing, sharing, and firmware updates via smartphone or tablet.
- IPX7 Waterproof – protects against dust, rain, and temporary immersion in water.
- Wide Operating Temperature Range – reliable performance between -25°C and +50°C.
- Pulsar MERGER LRF XT50 Thermal Binoculars - 50mm <40mK 1280x1024px 12um
- Merger LRF XT50 thermal imaging binoculars
- APS3 battery pack (x2)
- APS battery charger
- Power adaptor
- USB Type-C cable with USB Type-A adaptor
- Carrying case
- Neck strap
- Lens cloth
- Quick start guide
- Warranty card
- Tripod adaptor
- 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!