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Multispectral or Thermal Imaging? Introducing the Thermion Duo Multispectral Riflescopes | Pulsar Vision UK & ROI
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A New, More Modern Way of Hunting…

The unveiling of the Thermion Duo DXP50 and the Thermion Duo DXP55 introduced the first multispectral riflescope to the Pulsar product range, offering users the detection capabilities they would find through a thermal imaging device, with the identification capabilities they would achieve with a regular day scope, in one classically designed riflescope.

You can find out more about the Thermion Duo DXP50 here, and the Thermion Duo DXP55 here. But in this article, we’re going to go deeper into how multispectral technology can offer so much more than conventional thermal imaging optics.

What is Multispectral Imaging?

A multispectral imager is a device that transmits images via multiple channels; in the case of the Thermion Duo series, these channels consist of a thermal channel and a digital day optics channel. But why would you need both? A multispectral imaging device offers more convenience, better accuracy, and even greater detection capabilities when compared with standard day optics or thermal imaging devices — allowing users to use just one single scope without the need to switch between day and thermal optics.

See it in Action…

Which is Better, Thermal or Multispectral Optics?

Answering this question is really down to user requirements and device application, however, in our opinion, the multispectral device will always come out on top; by combining the identification capabilities of conventional day optics with the exceptional detection capabilities of a Pulsar thermal imaging device,  both models in the Thermion Duo series make sure you never miss a single important detail whilst out in the field — allowing users to make well-informed decisions when it matters most.



Multispectral imaging devices even allow users to continue their hunt in adverse weather conditions. Take for example the Thermion Duo riflescopes — users can hunt comfortably through the digital daytime channel and, once the weather take a turn, cut right through the fog, rain, or snow by quickly switching to the thermal channel. Dual-channel Picture-in-Picture (PiP) mode even allows users to observe an animal through the daytime channel, whilst using a zoomed-in frame in the top 10% of the display to inspect the animal through the thermal channel, without ever losing control of the field of view.

Is Thermal Functionality Sacrificed in Multispectral Devices?

A common concern when it comes to multispectral devices is a loss of quality and operational longevity in the thermal channel. But fear not — the Thermion Duo series is built on Pulsar’s flagship Thermion 2 LRF XP50 Pro thermal imaging riflescope, and features all the same operational, digital, and connectivity capabilities found in this device. Putting it simply, owning a Thermion Duo multispectral riflescope is like owning a thermal imaging riflescope with an integrated digital camera!

Are Multispectral Devices Only Available as Riflescopes?

For those who don’t need or want a riflescope, multispectral devices are also available as binoculars with the Merger Duo NXP50 (coming soon), and, soon enough, as monoculars. Take, for example, the new Telos LRF XP50 — Pulsar’s recently-launched thermal imaging monocular that is capable of technological upgrades. This device features a plethora of upgradeable options, including the ability to add an additional channel and do away with the need to choose between a thermal imaging monocular and a multispectral imaging monocular. When it comes down to it, a multispectral imaging is another way in which Pulsar can offer our users the opportunity to see beyond the invisible.

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