The first ever upgradable thermal imaging devices
The Telos series introduced upgradable thermal devices to the market for the very first time, providing a cost-effective way in which to stay ahead of the curve when it comes to technological advances through the ability to upgrade certain components.
Available with or without a built-in laser rangefinder, eight models are available in the Telos series, each of which has been designed for comfort and durability. Ergonomically designed, rubber-armoured bodyshells will withstand the everyday knocks one would expect from everyday use whilst ensuring excellent user comfort over long periods of observation. The addition of a traditional camera-style zoom ring on the objective lens provides a familiar feel and achieves fast and intuitive magnification.

Which Telos model is
best for your needs?
- The Telos XQ35 is the perfect all-rounder, providing the ideal entry point for a thermal imaging newcomer by way of its upgradability. The XQ35 allows you to grow into thermal imaging, with the full range of upgrade options available to choose from when your requirements change. This model is also the most lightweight and compact model in the series.
- At 3.5x, the Telos XG50 provides the highest base magnification in the series, making it the perfect choice for long range detection, retaining excellent image detail when observing distant targets.
- Built for professional users who depend on reliable kit on a daily basis, the Telos XP50 offers the highest level of thermal sensitivity in the series through its <15mK sNETD rating, making it ideal for use in all types of weather and excelling in adverse conditions.
- With the largest digital zoom (8x) and the highest resolution HD sensor in the series, the Telos XL50 is ideal for deer counts, providing the level of image detail needed to ascertain a deer’s gender without disturbing them. At 14°, the XL50 also boasts the largest field of view in the series, providing greater detection opportunities without the need for searching and scanning.
Compare Models

PULSAR TELOS
LRF XL50
The Telos LRF XL50 is the first iteration in the Telos series to feature the large format 1024×768, 12µm, <40 mK NETD HD thermal sensor first introduced in the Merger LRF XL50, providing crystal-clear images all the way through its 2.5-20x magnification range and achieving an astonishing detection range of up to 2300m. Plus, a built-in precision laser rangefinder enables accurate distance measurements at a range of up to 1000m ±1m, enhancing the user’s information gathering capabilities and enabling well-informed decision making in the field.
Main Specifications:
Sensor | 1024×768, 12µm |
sNETD | <20 mK |
Objective Lens | 50mm f1.0 |
Magnification | 2.5-20.0x |
FOV | 14° |
Detection Range | 2300m |

PULSAR TELOS
XL50
The Telos XL50 is the first iteration in the Telos series to feature the large format 1024×768, 12µm, <40mK NETD HD thermal sensor first introduced in the Merger LRF XL50, providing crystal-clear images all the way through its 2.5-20x magnification range and achieving an astonishing detection range of up to 2300m.
Main Specifications:
Sensor | 1024×768, 12µm |
sNETD | <20 mK |
Objective Lens | 50mm f1.0 |
Magnification | 2.5-20.0x |
FOV | 14° |
Detection Range | 2300m |

PULSAR TELOS
LRF XP50
As the first model in the Telos series, the Telos LRF XP50 introduced the first in a line of upgradeable devices from Pulsar. Designed to remain timeless, the Telos LRF XP50 will offer users the ability to upgrade technical components in order to ensure their device is always up-to-date with the latest technology, whilst remaining cost effective.
Its <15mK sNETD rating makes it the most sensitive monocular in the Telos series, making it the perfect choice for everyday use in a wide range of weather conditions.
A built-in precision laser rangefinder allows for accurate distance measurements between you and your observed object or animal at distances reaching up to 1000m with an accuracy of ±1m.
Main Specifications:
Sensor | 640×480, 17µm |
sNETD | <15 mK |
Objective Lens | 50mm f1.0 |
Magnification | 2.5 – 10x |
FOV | 12.4° |
Detection Range | 1800m |

PULSAR TELOS
XP50
As the first model in the Telos series, the Telos XP50 introduced the first in a line of upgradeable devices from Pulsar. Designed to remain timeless, the Telos XP50 will offer users the ability to upgrade technical components in order to ensure their device is always up-to-date with the latest technology, whilst remaining cost effective.
Its <15mK sNETD rating makes it the most sensitive monocular in the Telos series, making it the perfect choice for everyday use in a wide range of weather conditions.
Main Specifications:
Sensor | 640×480, 17µm |
sNETD | <15 mK |
Objective Lens | 50mm f1.0 |
Magnification | 2.5 – 10x |
FOV | 12.4° |
Detection Range | 1800m |

PULSAR TELOS
LRF XG50
The Pulsar Telos LRF XG50 thermal imaging monocular features a highly sensitive 640×480, 12 µm, <40 mK NETD European-made Lynred thermal sensor, achieving outstanding levels of thermal sensitivity. Provides a 2300 m detection range whilst ensuring nothing remains unseen, day or night, rain or shine. A built-in precision laser rangefinder allows for accurate distance measurements between you and your observed object and provides greater levels of information in the field.
Main Specifications:
Sensor | 640×480, 12 µm |
sNETD | <20 mK |
Objective Lens | 50mm f1.0 |
Magnification | 3.5 – 14.0x |
FOV | 8.8° |
Detection Range | 2300m |

PULSAR TELOS
XG50
The Pulsar Telos XG50 thermal imaging monocular features a highly sensitive 640×480, 12 µm, <40 mK NETD European-made Lynred thermal sensor, achieving outstanding levels of thermal sensitivity. Provides a 2300 m detection range whilst ensuring nothing remains unseen, day or night, rain or shine.
Main Specifications:
Sensor | 640×480, 12 µm |
sNETD | <20 mK |
Objective Lens | 50mm f1.0 |
Magnification | 3.5 – 14.0x |
FOV | 8.8° |
Detection Range | 2300m |

PULSAR TELOS
LRF XQ35
The Pulsar Telos LRF XQ35 features a highly sensitive 384×288, 17 µm, <25 mK NETD European-made Lynred thermal sensor, achieving outstanding levels of thermal sensitivity. It provides a 1300 m detection range and ensures nothing remains unseen, day or night, rain or shine. A seamlessly integrated precision laser rangefinder is used to ascertain accurate distance measurements between you and your observed object or animal at a range of up to 1000m with an accuracy of ±1m.
Main Specifications:
Sensor | 384×288, 17µm |
sNETD | <18 mK |
Objective Lens | 35mm f1.0 |
Magnification | 3.0 – 12.0x |
FOV | 10.7° |
Detection Range | 1300m |

PULSAR TELOS
XQ35
The Pulsar Telos XQ35 features a highly sensitive 384×288, 17 µm, <25 mK NETD European-made Lynred thermal sensor, achieving outstanding levels of thermal sensitivity. It provides a 1300 m detection range and ensures nothing remains unseen, day or night, rain or shine.
Sensor | 384×288, 17µm |
sNETD | <18 mK |
Objective Lens | 35mm f1.0 |
Magnification | 3.0 – 12.0x |
FOV | 10.7° |
Detection Range | 1300m |
Discover the Telos upgrade service

Pulsar’s upgrade service has been launched to maintain the longevity of the Telos thermal imaging monoculars, allowing you to upgrade parts as new technology becomes available (whether that’s a new sensor, a larger objective lens, or the addition of a laser rangefinder) at a fraction of the cost, meaning you can stay ahead of the technological curve and keep your Pulsar device running at the top of its game, without having to purchase a completely new device.
Every entry in the Telos series is already built to last, this upgrade service only offers further evidence that the Telos is truly a long-lasting and sustainable device.
Ergonomic design with
objective ring zoom
control
Ergonomics is at the forefront of the Telos’s design, offering an observation experience that remains comfortable through a convenient and easy reach button layout along the top panel. An attachable hand strap can easily rotate from one side to the other, without being removed, to better cater to left- and right-handed users.
And the addition of classically considered focusing and magnification rings located on the objective lens (as found on traditional camera objective lenses), allow for smooth image magnification and quick focusing with minimal effort.


Precise distance measurements
with built-in laser
rangefinders
LRF models feature a built-in precision laser rangefinder, allowing you to ascertain the distance between you and your observed target at distances reaching up to 1000m with an accuracy of ±1m. The ability to gather this valuable distance data provides you with a better understanding of your observation area and enables informed decision-making in the field.
Optimal performance in
extreme conditions
Designed to take on the elements, these thermal imaging monoculars feature composite polymeric rubber-coated bodyshells, protecting against wear and withstanding even the most unforgiving weather conditions. Non-slip characteristics guarantee a secure grip in both dry and wet environments, and ensure cleaning remains nice and easy, so you can maintain your device’s original, unblemished appearance for longer.
The Telos’s IPX7 rating protects against water ingress and will even ensure optimal operational after a dip in 1m of water for a duration of up to 30 minutes. The housing, power unit, optics, and electronics are all protected against extreme temperatures, with performance remaining unimpeded by temperature from -25 to +40°C.

Better Clarity with
advanced Image Boost
Pulsar’s advanced image boost technology utilises a set of proprietary image processing algorithms to offer the highest level of image detail, clarity, and contrast, with software used to provide greater detailing and better sharpening of observed objects at varying distances.
The sensitivity level can be manually increased to further improve the Telos’s detection capabilities when environmental conditions worsen, and a smoothing filter, along with a wide range of brightness and contrast settings, will ensure a more comfortable experience over long periods of observation.
Wireless- and fast charging
capabilities
The Telos series offers wireless charging via the new LPS 7i quick-charge Li-ion battery. This battery will provide up to 8 hours of continuous observation (depending on temperature) before a recharge is needed.
And there’s no need for special chargers, as this battery can either be placed on a wireless charging mat or connected to any charging cable with a USB Type-C port. Fast-charging capabilities make sure you won’t be without power for long.

The Telos series also features:

Choose from a selection 8 colour palettes

Built-in video recorder with audio & still imaging capture

Save your preferences with User Mode

IPX7 waterproof rated

Extreme operating temperatures (from -25 to +50°C)

Stream Vision 2 app compatibility

High-contrast AMOLED display

Picture-in-Picture mode (PiP)

Improved Wi-Fi connectivity (2.5/5 GHz)

Advanced image processing algorithms