Pulsar, a Europe-based company headquartered in Lithuania, is renowned for producing top-quality thermal imaging and night vision devices for the civilian market. In early October 2024, Pulsar unveiled their latest innovation: the Merger LRF XT50, a cutting-edge pair of thermal binoculars featuring an integrated laser rangefinder.
Pulsar Merger LRF XT50 Review
The Merger Series
The Merger series debuted in early 2022 as Pulsar’s successor to the Accolade series. At the time, the Merger LRF XP50, boasting a resolution of 640×480 pixels, was the flagship device in the lineup. Pulsar raised the bar further at IWA 2023 with the introduction of the Merger LRF XL50, the first device on the market equipped with an HD sensor and a resolution of 1024×768 pixels. Anyone who has had the chance to use the XL50 can attest to the exceptional image quality and the remarkable level of detail it delivers.
Fast forward to today, and Pulsar has taken things up a notch with the new Merger LRF XT50. This latest model features a sensor that is 66.67% larger than that of the XL50, offering even greater detail and sharpness at every zoom level. The XT50 comes with a groundbreaking HD resolution sensor, delivering an impressive 1280×1024 pixels for an unparalleled viewing experience.
Another notable upgrade is the minimal magnification. Unlike earlier flagship models, which started at 2.5x magnification, the XT50 begins at 2x magnification, providing a significantly wider field of view. At 100 meters, the XT50 offers a field of view of 30.7 meters, a substantial improvement over the XL and XP models, which both deliver less than 25 meters at the same distance.
Physical Properties of Merger LRF XT50
The Merger LRF XT50 closely resembles earlier models in the series, with a notable update in its color: a sleek dark gray finish replacing the traditional black. The ergonomic design remains exceptional, offering a comfortable grip similar to traditional binoculars. The intuitive button placement ensures effortless operation.
The device features a magnesium alloy body with rubberized sections on the top and sides for enhanced grip and durability. This design not only improves handling but also ensures robustness in demanding conditions. Its IPX7 protection rating makes it fully dustproof and waterproof, capable of withstanding submersion in up to 1 meter of water for 30 minutes. Additionally, the XT50 operates reliably in extreme temperatures ranging from -25°C to +50°C, making it a dependable tool for diverse environments.
Measuring 197 x 140 x 72 mm and weighing 950 grams (with the battery), the XT50 strikes a balance between portability and performance, accommodating large 50 mm lenses and advanced features.
The lens covers, made of rubber and plastic, provide a snug seal for the objective lenses and can be easily rotated or replaced without tools. The focusing adjustment ring, located on the left barrel, is rubberized for a secure grip and designed with just the right stiffness to prevent accidental adjustments.
Ocular and Diopter Adjustment
The oculars are made of soft rubber and include flip-up covers that provide dual functionality. During the day, these covers block excess daylight from reaching your eyes, enhancing image quality. At night, when the covers are flipped up, they prevent light from escaping the device, making you less detectable. The rubberized eyepieces are soft and comfortable, providing a pleasant user experience.
The diopter adjustment is independent for each barrel, allowing precise customization for both eyes. Made from rubber, the adjustment rings offer an excellent grip and are stiff enough to prevent unintentional movement. Once set, you can rely on your adjustments to remain stable, even during extended use.
Interpupillary Distance Adjustment
The interpupillary distance can be easily adjusted by pulling the barrels apart or pushing them together. The adjustable range spans 63 mm to 74 mm, making it suitable for most users. This flexibility ensures optimal comfort and viewing quality for a variety of face shapes and sizes.
The Proximity Sensor
Located between the barrels is a proximity sensor, identifiable by its red circle. This sensor detects whether you are actively using the device. You can configure it in the settings to automatically shut off the display when not in use, helping to conserve battery life.
Buttons and Controls
The button layout on the Merger LRF XT50 remains intuitive and user-friendly, as with previous models. Here’s a breakdown of their functions:
- Blue Button:
- Long press: Power the device on/off.
- Short press: Calibrate the sensor.
- Photo/Video Button (Right Barrel):
- Short press: Start taking photos or videos.
- Long press: Toggle between photo and video modes.
- Laser Range Finder Button:
- Activates the rangefinder.
- Magnification Button (Left Barrel):
- Short press: Change magnification.
- Long press: Enable or disable image stabilization.
- Amplification Button (Minus):
- Short press: Adjust amplification level.
- Long press: Switch between white-hot and black-hot viewing modes.
- Menu Button:
- Short press: Access the quick menu to adjust image brightness, contrast, and more.
- Long press: Open the main menu for advanced settings.
Battery System
The battery compartment is also located between the barrels and accommodates one APS 3 battery. Additionally, the device includes an integrated battery for extended usage.
The front of the device features a battery release button for quick and easy battery changes. Simply press the button, and the battery pops out, allowing you to replace it swiftly.
Charging and Battery Management
Charging the device is highly convenient. The batteries can be recharged directly through the USB-C port, and the package includes a dual-battery charger, a charging adapter, and a USB-C cable. This setup ensures you’re always prepared for extended use.
For those requiring additional power, extra APS 3 batteries are relatively affordable at around €45 each. This cost-effective option makes it easy to carry spares, ensuring you never run out of power during extended outings.
Start-Up Time and Operational Time
The Merger LRF XT50 boasts an impressively quick start-up time of under seven seconds, allowing you to access the menu and make adjustments almost immediately after powering it on. This ensures minimal downtime and a seamless user experience.
The device uses interchangeable APS 3 lithium-ion batteries with a capacity of 3,200 mAh each. Additionally, it features a built-in battery with a 4,000 mAh capacity. Combined, these batteries provide up to six hours of operational time at 22°C. While this runtime is slightly less than previous models, the increased power demand of the larger sensor makes this trade-off reasonable.
Connectivity
The Merger LRF XT50 offers versatile connectivity options to suit a range of devices and preferences. It features a USB-C port (cable included) for direct connection and supports both 2.4 GHz and 5 GHz Wi-Fi connections.
The 2.4 GHz Wi-Fi is compatible with older devices, while the 5 GHz Wi-Fi provides a faster and more reliable connection for modern devices. To take full advantage of these features, you’ll need the Stream Vision 2 app, available for free download. This app allows you to easily operate the device, make adjustments, and access advanced settings directly from your smartphone or tablet.
Power indicator
The device includes a power indicator on its base, making it simple to monitor battery status at a glance:
- Green flashing LED: Batteries are charging.
- Solid green LED: Batteries are fully charged.
- Red LED: One of the batteries is defective.
- No LED indication: Either no external battery is installed, or the device is switched off.
Additionally, you can check the battery percentage directly through the device’s viewfinder, giving you real-time updates on how much battery life remains.
Optical properties
The Merger LRF XT50 features a 50 mm focal length with an f/1.0 aperture, delivering exceptional optical performance. A significant upgrade is its reduced minimal magnification of 2x, down from previous models, and an 8x digital zoom, offering a magnification range of 2x to 16x. Thanks to its high-resolution sensor, the device maintains excellent detail clarity even at maximum magnification, making it ideal for detailed observations.
The device provides a choice of eight color modes, allowing users to tailor the viewing experience to their preferences and environmental conditions. With a close focus distance of approximately 5 meters, the XT50 is suitable for short-distance observations as well. It’s also compatible with glasses, ensuring a comfortable user experience for everyone.
Detection range
Boasting an impressive detection range of 2,300 meters, the XT50 is well-suited for long-distance observations. Its wide field of view—30.7 meters by 24 meters at 100 meters—is particularly advantageous for tracking moving objects or navigating close-range environments like forests. This broader view, enabled by the lower magnification and HD sensor, enhances tracking and situational awareness.
Scan mode
The XT50 includes a scan mode that provides continuous readings at approximately one reading per second. This feature enhances situational awareness, making it especially useful in dynamic environments.
Equivalent Horizontal Range
For hunters and outdoor enthusiasts, the Equivalent Horizontal Range feature calculates the angle of your measurement, an essential factor for ballistic calculations in mountainous or uneven terrains.
Sensor
Equipped with a cutting-edge, uncooled microbolometer sensor manufactured in Europe, the XT50 offers a resolution of 1280×1024 pixels with a 12-micron pixel pitch. This top-tier sensor delivers outstanding image clarity, supported by a 50 Hz refresh rate and a NETD (Noise Equivalent Temperature Difference) of less than 40 millikelvins. These specifications ensure precise and highly detailed imaging even in challenging conditions.
Calibration modes
The device offers three calibration modes:
- Automatic: Requires no user input.
- Manual: Gives users control over calibration timing.
- Semi-Automatic: Balances automation with manual control.
Internal display
The XT50 features a new AMOLED HD display with a resolution of 1280×960 pixels. This high-quality display is both large and crisp, delivering extremely clear images with excellent detail resolution. The viewing experience rivals that of the best thermal devices currently available.
Image stabilization
A standout feature of the XT50 is its image stabilization. This innovation significantly enhances long-distance observations by keeping the image steady, even at high magnifications. The result is improved recognition, better detail resolution, and a more enjoyable observation experience. Pulsar’s integration of this technology sets a new benchmark in thermal devices, and it’s exciting to anticipate its inclusion in future models.
Video and Photo Capabilities
The device can record videos and take photos at the same resolution as its display (1280×960 pixels). With an internal storage capacity of 64 GB, it can store a large number of images and videos. Additionally, users can adjust the image compression settings to optimize storage space as needed.
Laser Range Finder (LRF)
The laser range finder in the Merger LRF XT50 has been upgraded for enhanced performance. It now offers a maximum range of 1,500 meters and a minimum range of 5 meters, with an accuracy of ±1 meter. The LRF operates at 905 nanometers, ensuring reliable performance across a wide range of conditions.
To activate the LRF, simply press the last button on the left barrel. A small circle will appear on the display, indicating that the range finder is ready. With the next click, the device provides a reading within two seconds, offering quick and accurate distance measurements.
Manufacturing and Warranty
The Merger LRF XT50 is manufactured entirely in Europe, with most components produced directly by Pulsar in Lithuania, including the advanced sensor—a rarity in the thermal imaging market. This ensures exceptional quality and supports local production within the European Union.
The device comes with a three-year warranty, providing peace of mind for users. Additionally, Pulsar’s service department, located in Lithuania, ensures prompt and reliable support for any maintenance or repair needs.
Price
The Merger LRF XT50 is priced at an MSRP of €5,900. While this positions it in the premium segment of thermal imaging devices, its cutting-edge features, exceptional build quality, and high-performance sensor make it a worthwhile investment for serious users.
What’s Included in the Box?
The Merger LRF XT50 comes with a well-thought-out package that includes everything you need to get started and maintain the device. Here’s what you’ll find in the box:
- A high-quality carrying case for secure transport.
- Carrying straps for the case and the device itself, allowing for versatile carrying options.
- A battery charger capable of charging two APS 3 batteries simultaneously.
- Two APS 3 batteries with a protective rubber cover for safe transportation.
- A USB-C cable for charging and connectivity.
- A tripod adapter for stable mounting.
- A quick start guide available in multiple languages for easy setup.
- A warranty certificate to ensure peace of mind.
- A cleaning cloth to keep your optics pristine.
Pros
- Exceptional Image Quality:
The new high-resolution sensor delivers outstanding image quality, even at maximum zoom. Details remain sharp and clear, making it one of the best options on the market for detailed observation. - High Build Quality:
As with other Pulsar devices, the Merger LRF XT50 is impeccably crafted. Its compact design, lack of bulkiness, and ergonomic layout make it comfortable and practical for prolonged use. - Wide Field of View:
The device offers a significantly wide field of view, enhancing observation capabilities, particularly at shorter distances or when tracking moving objects. - Improved Laser Range Finder:
The LRF is even better than previous Pulsar models, which were already considered some of the best on the market, outperforming many competitors. - Respectable Battery Life:
Despite its power-hungry high-resolution sensor, the XT50 delivers up to six hours of runtime. Additionally, affordable extra batteries make extending operational time convenient and cost-effective. - Image Stabilization:
One of the standout features, the image stabilization, significantly improves long-distance observations by providing a steady, sharp view. It enhances recognition and detail visibility, setting a new benchmark for thermal devices. Hopefully, this feature will be integrated into other Pulsar models in the future.
Cons
- High Price:
At €5,900, the Merger LRF XT50 sits in the premium price range. While it offers cutting-edge technology and exceptional performance, the price might be prohibitive for some users.
Gallery
