Expert Contributor:
Christian Rysgaard
When visibility defines success in the field, your optics must deliver more than just magnification – they need to perform across light, terrain, and weather. Enter the Pulsar Symbion multispectral binoculars, available in two advanced variants: the DXT50 and DXR50.
These binoculars are engineered for professionals who demand total situational awareness, combining 4K digital imaging, thermal detection, built-in laser rangefinder, and an IR illuminator into one precision device. Whether you’re scanning dense forest at dawn or tracking distant heat signatures at midnight, Symbion offers the clarity and confidence needed to make split-second decisions.
In this review, we’ll break down the differences between the DXT50 and DXR50, dive into real-world performance, and help you determine which model fits your mission best.
Pulsar Symbion is a premium multispectral binocular system that combines 4K digital imaging, thermal vision, and a built-in laser rangefinder for true 24/7 situational awareness in demanding field conditions.
Who is it for:
Main features:
Buy it if:
Look at other optics if:
Bottom line:
Price point:
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The Pulsar Symbion is a premium multispectral binocular system with a built-in laser rangefinder, optimized for 24/7 field use in hunting, wildlife observation, and professional use. Designed in two configurations – DXT50 for wide field scanning with HD thermal clarity and DXR50 for long-range precision – the Symbion line combines a 4K digital channel and powerful thermal sensor into a rugged, one-hand-operated binocular.
| Pros | Considerations / Trade-offs |
|---|---|
| True 24/7 multispectral vision | Premium price tier |
| Long-range laser rangefinder | Slightly heavier than monoculars |
| Rugged, intuitive design | Overkill for short-range observation |
| Advanced PIP thermal/digital modes | Narrow FOV on DXR50 |
| Long battery runtime | DXT50 offers shorter runtime (8h) |
The Symbion binoculars feature dual optical channels (thermal and digital), both optimized for rugged environments and complex terrain. High-quality sensors, extended detection range, and intuitive ergonomics make these tools ideal for serious outdoor professionals.
Both models are weather-resistant and perform reliably in fog, humidity, and twilight.
| Attribute | DXT50 | DXR50 |
|---|---|---|
| Thermal sensor | HD 1280×1024 | Sensitive 640×480 (<18 mK sNETD) |
| Digital sensor | 4K CMOS (3840×2160) | 4K CMOS (3840×2160) |
| Detection range | ~2300 m | ~2300 m |
| Magnification (thermal) | 2–16x | 4–32x |
| Field of view @100m | 30.7 m | 15.4 m |
| Display | AMOLED w/ PiP support | AMOLED w/ PiP support |
| Battery life | 8h (2xAPS5) | 10h (2xAPS5) |
| Laser rangefinder | 1500 m, built-in | 1500 m, built-in |
| Weight | ~1000 g | ~1000 g |
| Recording & storage | Yes, 64 GB onboard | Yes, 64 GB onboard |
| Mobile app support | Stream Vision 2, Stream Vision Ballistics | Stream Vision 2, Stream Vision Ballistics |
Below, we focus on the core technologies that define how the Pulsar Symbion performs in real field conditions, covering identification, distance accuracy, and handling when timing and clarity matter most.
Symbion’s biggest advantage is its dual-channel vision. You can switch between full-color Daytime and Twilight modes, night-enhanced digital vision, or thermal mode – or run thermal and digital together in Picture-in-Picture mode.
This matters when you need confirmation before action. Thermal may spot movement, but digital confirms the identity. Christian Rysgaard, a highly experienced hunter who’s used multispectral since 2021, explains how it can benefit you in the field:
Now, multispectral technology has the potential to be a major game-changer for many hunting scenarios. Symbion excels at night, low-visibility and mixed-country work, stalking during dusk and dawn, fog or snow, edge transitions to woodland, mid-range predator control, and wounded-game follow-up.
Both models integrate a 1,500-meter laser rangefinder, crucial when assessing target distance or calculating bullet trajectory. Combined with the Stream Vision Ballistics app, Symbion supports advanced ballistic calculations in real time.
The DXR50 adds high base magnification and a narrower FOV – ideal for open plains or mountain terrain where distance is key.
Symbion is designed for one-hand use, even in gloves. Dual focus wheels are placed between eyepieces, and all core functions are accessible by thumb.
Add in image stabilization, a tactile 3-position power switch, and energy-saving sleep mode, and you’ve got a device ready for long missions.
Keep in mind: whether you own a Pulsar device already or Symbion will be the first, you will need some time to learn the controls. Here are the first impressions Christian shared with us:
There are A LOT of buttons to sort out, and looking at the manual is actually not considered cheating here.
The new standby button at the bottom of the device is absolutely amazing. Powering on, standby and off is now accessible without any doubt or hesitation or long presses. Brilliant redesign!
The four big corner buttons have very distinct tactical corners, and this works extremely well. The three buttons inside the scroll wheel have good tactical separation from each other, but they kind of mingle with the scroll wheel and could benefit from corners to separate them from the ring – but not a big issue.
The two separate focus wheels sits well between your eyes, though it took me a while sort out which belonged to what channel. I did miss a better tactical indication to distinguish one knob from the other.
The DXT50 excels in forest terrain, offering wide-angle scanning to pick up subtle motion in dense brush. Its low thermal magnification starts at 2x, ideal for mid-range identification without overzooming.
The DXR50 shines in open terrain or ridgeline overwatch, where its 32x zoom and sensitive thermal core deliver distant detection without losing target contrast.
Handling is balanced and ergonomic despite the dual-channel build. Even during 4- hour hunts in wet winter conditions, testers reported consistent image clarity and responsive controls.
The thermal channel is unmatched in its ability to detect heat, disregarding a light source. The digital channel confirms species, gender, and individual marks, the focusable IR torch reveals coat detail without visible glare, and the integrated LRF gives an instant, reliable range. In combination, you get awesome detection, identification, and ranging. This speeds up your decisions and reduces the risk of mistakes in marginal conditions.
For professional hunters and guides, this is especially valuable: the harness for carrying, long battery runtimes, and onboard recording make Symbion a true one-tool workflow for leading others, verifying identity, and documenting encounters. It reduces the need to swap kits, shortens the time between detection and ethical action, and provides the evidence and confidence you need when making fast, responsible choices in the dark.
Essentially, running three technologies in a combined box will always increase the complexity, no matter how much design wizardry I throw at the problem. An integrated IR torch is essential for any kind of infrared device, since it relies on enhancing a reflected light source, and the moon is rarely enough.
Christian Rysgaard
| Feature | Symbion LRF DXT50 | Symbion LRF DXR50 | Mid-range thermal bino | High-end thermal monocular |
|---|---|---|---|---|
| Detection range | ~2000 m | ~2000 m | ~1400 m | ~1600 m |
| Field of view @100m | 30.7 m | 15.4 m | 20–25 m | 18–23 m |
| Thermal sensor | HD 1280×1024 | 640×480 <18 mK | 384×288, 640×480 | 640×480, 1024×768 |
| Digital sensor | 4K CMOS | 4K CMOS | None | None |
| PIP mode | Yes | Yes | Yes, but only thermal + thermal | Yes, but only thermal + thermal |
| LRF | Built-in | Built-in | Optional | Optional |
| Price | Premium | High-tier | Mid-tier | High-tier |
Inside the box, you get:
Setup is fast. Symbion powers on quickly and walks you through an intuitive interface. The Stream Vision 2 app adds mobile connectivity, cloud storage, and firmware updates.
If you need 24/7 situational awareness, with the ability to identify and measure heat sources across terrain and light conditions, Symbion is unmatched.
Choose the DXT50 for forest scanning, faster sweeps, and broader FOV. Go with the DXR50 for long-distance observation and extended runtime. Either way, Symbion offers high-end multispectral capability with field-ready design.
These aren’t just binoculars – they’re decision tools for professionals who can’t afford to guess.
Check local dealers to find availability near you.
The Pulsar Symbion is a binocular device that combines 4K digital imaging, thermal vision, IR illuminator, and a laser rangefinder into one rugged unit.
24/7 use, dual-channel PIP vision, long detection range, and professional-grade build quality.
Symbion introduces 4K color imaging, thermal/digital PIP, a 1500m rangefinder, and advanced thermal resolution in a binocular form.
Pulsar offers a 3-year warranty on all optical devices and supports firmware updates via the Stream Vision 2 app.
Yes, if you need both digital and thermal vision in one device with top-tier optics. It’s a premium investment for serious users.
Tested in humidity, rain, and below-freezing conditions with no image degradation or performance loss.
Yes. Symbion is optimized for daylight color imaging, twilight vision, and full night digital or thermal use.
Deer, boar, predator control, and search operations – especially in mixed terrain and variable light.
Yes. Paired with the Stream Vision Ballistics app, it supports trajectory correction and distance-based calculations.
Yes. Symbion supports tripod mounting for stable, extended viewing sessions.

Christian Rysgaard brings a lifetime of hunting experience, holding certifications as both a rifle and shotgun instructor, along with a long-standing passion for archery, ballistics, and night optics.
As a hunting journalist with a strong engineering background, he delivers technical articles and in-depth gear reviews for the European hunting market.
Before purchasing any night or thermal vision device, please make sure you adhere to the local legislation and only use it when it is allowed. Our ambassadors come from various countries and travel a lot, which allows them to test different devices. We do not encourage or support the illegal use of our devices in any events. If you wish to learn more about export and sales restriction policy, please visit the following link: Export and Sales Restriction Policy.