Product Description
Pulsar Merger LRF XP35 Thermal Imaging Binoculars
Compact Thermal Binoculars with Outstanding Detection Performance
The Pulsar Merger LRF XP35 combines a compact binocular design with powerful thermal imaging, an integrated 1000m laser rangefinder and an exceptionally wide 17.8° field of view. As the smallest thermal imaging binoculars in the Pulsar Merger range, the XP35 is easy to carry, comfortable to use and ideally suited to wildlife observation, field surveying, security and professional thermal detection.
At its heart is a European-made Lynred 640×480, 17µm thermal sensor with a sensitivity of <25mK NETD. This high-resolution sensor captures fine details and subtle temperature differences in darkness, poor visibility and challenging weather, with a detection range of up to 1350 metres.

Key Features
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High-resolution 640×480 Lynred thermal sensor
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Excellent <25mK NETD thermal sensitivity
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Wide 17.8° field of view
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Up to 1350m thermal detection range
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Integrated 1000m laser rangefinder
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Variable 2–16x magnification
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Three sensitivity amplification levels
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Dual 1024×768 AMOLED displays
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Built-in photo, video and audio recording
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16GB internal storage
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Wi-Fi and Stream Vision 2 connectivity
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Dual-battery system with up to 9 hours of operation
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Rugged magnesium-alloy construction
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Fully waterproof to IPX7
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Operating temperature range of -25°C to +50°C
High-Resolution Lynred Thermal Sensor
The Merger LRF XP35 is built around a European-made Lynred 640×480, 17µm thermal imaging sensor. Its high resolution and excellent thermal sensitivity reveal fine details, subtle heat signatures and distinguishing features that may be difficult to detect with lower-resolution devices.
With a 50Hz refresh rate, movement appears smooth and natural when observing wildlife or following moving subjects. The sensor continues to deliver reliable performance during darkness, mist, rain and other demanding environmental conditions.
Extra-Wide 17.8° Field of View
The XP35 offers the widest field of view in the Pulsar Merger binocular range. Its expansive 17.8° viewing angle allows you to scan large areas quickly, locate moving subjects more easily and maintain excellent situational awareness.
Combined with a low 2x base magnification, the wide field of view makes the XP35 particularly effective for woodland observation, wildlife monitoring and searches across shorter or medium distances. Digital magnification can be increased up to 16x when closer inspection is required.
Integrated 1000m Laser Rangefinder
A precision laser rangefinder is seamlessly integrated into the binocular housing. It can measure distances of up to 1000 metres with an accuracy of ±1 metre, allowing you to establish the range to an observed subject quickly and confidently.
The built-in design avoids the need to carry a separate rangefinder and keeps essential observation tools available within a single compact device.
Three Sensitivity Amplification Levels
Three adjustable sensitivity amplification levels work with Pulsar’s image-processing and filtration algorithms to optimise the thermal image for different weather conditions, temperatures and observation distances.
Fine brightness and contrast controls allow the image to be tailored further, helping to improve background definition, reveal subtle thermal details and provide clearer subject identification throughout the field of view.
Natural Binocular-Style Viewing
The Pulsar Merger LRF XP35 has been designed to feel like a traditional pair of binoculars. Its ergonomic shape distributes weight evenly between both hands, while conveniently positioned controls minimise unnecessary movement during observation.
The adjustable 63–74mm interpupillary distance allows the eyepieces to be matched to the individual user, delivering a more comfortable and immersive viewing experience during extended sessions.
Dual HD AMOLED Displays
Dual 1024×768 AMOLED displays produce a sharp, high-contrast thermal image with excellent detail across the viewing area. AMOLED technology also performs reliably at low temperatures while maintaining efficient energy consumption.
The binocular viewing arrangement reduces eye strain compared with prolonged monocular use and helps create a more natural observation experience.
Eight Thermal Colour Palettes
Choose from eight colour palettes to adapt the display to the subject, environment and personal preference:
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White Hot, Black Hot and Red Hot for rapid heat-source detection
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Rainbow and Ultramarine for recognition and identification
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Sepia, Red Monochrome and Violet for comfortable extended observation
Switching between palettes can help highlight particular details or reduce visual fatigue during longer nighttime sessions.
Up to Nine Hours of Battery Life
The XP35 uses Pulsar’s dual-battery system, combining a built-in 4.0Ah rechargeable battery with a removable APS 3 3.2Ah battery. Together, they provide up to nine hours of operation at 22°C, depending on settings and environmental conditions.
The removable battery features a tactile design that makes it easier to identify and replace by touch, even in complete darkness. USB Type-C Power Delivery also supports compatible external power supplies.
Proximity Sensor for Discreet Observation
An integrated proximity sensor automatically switches off the displays when the binoculars are lowered. This helps prevent visible light from escaping through the eyepieces, saves battery power and supports more discreet nighttime observation.
When the binoculars are raised again, the displays reactivate automatically so observation can continue without manually operating the power controls.
Built-In Photo, Video and Audio Recording
Record thermal video with audio or capture still images directly through the binoculars. The 16GB internal memory provides space for hours of video and thousands of photographs, making it easy to document wildlife sightings, surveys and other observations.
Files are saved in widely supported MP4 and JPG formats for convenient viewing and sharing.
Wi-Fi and Stream Vision 2
Built-in dual-band 2.4GHz and 5GHz Wi-Fi connects the Merger LRF XP35 to compatible Android and iOS devices through the Stream Vision 2 app.
Through the app, users can:
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View a live thermal image on a smartphone or tablet
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Control the binoculars remotely
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Adjust device settings
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Capture photographs and start video recordings
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Browse and download stored media
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Share recorded images and videos
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Install firmware updates
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Access compatible cloud storage services
Rugged Magnesium-Alloy Construction
The durable magnesium-alloy housing protects the internal components while keeping the binoculars compact and manageable. An IPX7 waterproof rating means the XP35 is designed to withstand heavy rain and temporary immersion in water.
It can operate in temperatures from -25°C to +50°C, making it suitable for demanding outdoor use throughout the year.
Pulsar Merger LRF XP35 Specifications
| Specification | Details |
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| Thermal sensor | 640×480, 17µm, <25mK NETD |
| NETD | <25mK |
| sNETD | <18mK |
| Frame rate | 50Hz |
| Objective lens | 35mm f/1.0 |
| Magnification | 2–16x |
| Field of view | 17.8° |
| Interpupillary distance | 63–74mm |
| Eye relief | 15mm |
| Display | 1024×768 AMOLED |
| Detection range | Up to 1350m |
| Laser rangefinder | Up to 1000m |
| Rangefinder accuracy | ±1m |
| Video recorder | Yes, with audio |
| Video resolution | 1024×768 |
| File formats | MP4 and JPG |
| Internal memory | 16GB |
| Wireless connectivity | Wi-Fi |
| Wi-Fi standard | IEEE 802.11 b/g/n/ac (WPA) |
| Wi-Fi frequencies | 2.4GHz and 5GHz |
| Supported app | Stream Vision 2 |
| Waterproof rating | IPX7 |
| Operating temperature | -25°C to +50°C |
| Compatible mount | 1/4-inch |
| Battery system | Built-in 4.0Ah battery and removable APS 3 3.2Ah battery |
| Operating time | Up to 9 hours at 22°C |
| External power supply | 5V/9V USB Type-C Power Delivery |
| Body material | Magnesium alloy |
| Dimensions | 165 × 133 × 68mm |
| Weight | 830g including batteries |
System NETD, or sNETD, represents the thermal sensor’s performance when supported by the device’s image-processing algorithms.
Why Choose the Pulsar Merger LRF XP35?
The Pulsar Merger LRF XP35 is an excellent choice for users who want the comfort of binocular viewing without the size of a larger thermal device. Its combination of a 640×480 Lynred sensor, extra-wide field of view, 1350m detection range, integrated laser rangefinder and Stream Vision 2 connectivity creates a highly capable thermal observation system in a compact, weatherproof body.
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