Pulsar Wildlife · Thermal Monocular · Ornithology & Wildlife Research
Pulsar Wildlife Lumion XL50
High-resolution thermal monocular with 1024×768 Lynred HD sensor
1024×768 Lynred HD sensor with sNETD <20 mK – F1.0 50 mm germanium objective, 2 500 m detection range, Image Boost technology, AMOLED HD 1024×768 display, LPS 7i battery up to 7 hours, IPX7 – in a 680 g rubber-armoured composite housing
The thermal monocular with the highest-resolution sensor – 1024×768 Lynred HD, F1.0 optics, Image Boost, 2’300 m detection.
The Pulsar Wildlife Lumion XL50 is the imaging flagship of the Pulsar Wildlife range, built around the highest-resolution thermal sensor in the lineup: a 1024×768 / 12 µm Lynred HD microbolometer made in Europe. With 786’432 individual temperature-sensitive pixels – more than two and a half times the pixel count of a 640×480 sensor – the Lumion XL50 resolves fine feather detail, plumage texture, and subtle surface characteristics at distances where lower-resolution devices show only a heat signature. Paired with a 50 mm F1.0 germanium objective, the system achieves a detection range of 2’300 m and a system NETD below 20 mK. The proprietary Image Boost technology applies advanced processing algorithms that render complex thermal scenes across a wide dynamic range of halftones, enhancing contrast for evenly emitting low-contrast subjects – precisely the type of challenge presented by birds and mammals in natural environments. Two classically-positioned control rings on the objective lens – one for focus, one for magnification – provide the familiar, precise handling of a camera lens. A single LPS 7i Li-Ion battery (6’400 mAh) delivers up to 7 hours of operation; the IPX7-certified composite polymer housing withstands immersion in 1 metre of water for 30 minutes.
Thermal sensor · 1024×768 / 12 µm Lynred HD / sNETD <20 mK · 50 mm F1.0 Germanium
1024×768 Lynred HD sensor with F1.0 objective – maximum spatial resolution, sNETD <20 mK, Image Boost
The 1024×768 uncooled microbolometer in the Lumion XL50 uses a European-made Lynred HD detector with a pixel pitch of 12 µm. The combination of sensor size (786’432 pixels), fine pixel pitch and F1.0 aperture produces a system NETD below 20 mK – meaning the complete optical-sensor system reliably resolves temperature differences smaller than 0.020 °C between adjacent scene points. The F1.0 germanium objective collects 44 % more infrared radiation per frame than an F1.2 lens of the same focal length, directly contributing to image brightness and lowering noise at the sensor plane. The 50 mm focal length combined with the wide sensor format delivers a field of view of 14×10.5° (24.6×18.5 m at 100 m) at the base magnification of 2.5x, with digital zoom up to 20x for close examination of distant subjects. Image Boost technology enhances the high-resolution raw thermal data through proprietary processing algorithms: the result is exceptional halftone reproduction of complex scenes, sharpened contrast for low-contrast subjects (birds and animals in vegetation, overcast conditions, or minimal ambient temperature differential), and reduced observer fatigue during extended sessions. The detection range of 2’300 m is the longest in the Pulsar Wildlife monocular range, reflecting the combined advantage of the large HD sensor format and the bright F1.0 aperture.
Classic dual-ring controls – Wild Vision App, 64 GB recording, 8 thermal palettes
The Lumion XL50 introduces a classically-inspired control scheme: two dedicated rings mounted on the objective lens in sequence, as found on professional camera lenses. The front ring controls focus; the rear ring controls magnification. This separation allows users to maintain their chosen zoom level while re-focusing, or to adjust magnification without disturbing focus – a significant operational advantage over single-wheel designs when tracking subjects at variable distances. The device connects to the Pulsar Wildlife Wild Vision application via dual-band Wi-Fi (2.4 / 5 GHz, IEEE 802.11 b/g/n/ac) for Android and iOS. Via the app, the user can stream the live thermal image to a smartphone or tablet, adjust settings remotely, download recordings from the 64 GB internal storage, and share footage directly from the field. The built-in recorder captures MP4 video with audio and JPG photos – both at the full 1024×768 display resolution, preserving the same sharpness visible through the eyepiece. Eight selectable thermal colour palettes – White Hot, Black Hot, Red Hot, Rainbow, Ultramarine, Red Monochrome, Sepia and Violet – cover all terrain types and ambient conditions. A standard 1/4″ tripod thread is integrated into the base of the housing.
AMOLED HD 1024×768 – IPX7, 7 hours LPS 7i battery, rubber-armoured composite housing
The Lumion XL50 is equipped with an AMOLED HD 1024×768 display – matching the sensor resolution 1:1, so every pixel captured by the detector is rendered on screen without interpolation or downscaling. This pixel-perfect readout is essential for extracting the full detail available from the high-resolution Lynred HD sensor. With an eye relief of 14 mm, the eyepiece is usable with eyeglasses in typical field conditions. The composite polymer housing is rubber-coated for grip and impact resistance, providing secure handling in wet or cold conditions. IPX7 certification (IEC 60529) guarantees waterproof protection against immersion in up to 1 metre of water for 30 minutes, covering all rain conditions and accidental submersion in the field. Power comes from the LPS 7i Li-Ion battery pack (6’400 mAh), delivering up to 7 hours of operation at 22 °C. The battery charges via the USB-C port with Power Delivery (5V / 9V); an additional power bank can be connected via the same port for extended sessions. The operating temperature range of −25 °C to +40 °C covers the full breadth of environments where serious wildlife observation takes place. A standard 1/4″ tripod thread on the underside allows stable mounting on any tripod or spotting scope mount plate.
Key features – Pulsar Wildlife Lumion XL50
- 🌡️ 1024×768 Lynred HD sensor, 12 µm, sNETD <20 mK – highest resolution in the Pulsar Wildlife monocular range
- 🔭 Zoom 2.5–20x, 50 mm F1.0 Germanium objective – detection range 2,300 m
- ✨ Image Boost technology – AI-assisted image processing for exceptional halftone rendering and contrast
- 🔄 Classic dual-ring control system – separate focus and zoom rings, like a camera lens
- 🖥️ AMOLED HD 1024×768 – 1:1 pixel rendering, 8 color palettes
- 💾 64 GB internal – MP4 1024×768 / 50 fps video and JPG photos
- 📱 Wild Vision App (Android/iOS) + dual-band Wi-Fi (2.4/5 GHz) – live streaming and remote control
- 🔋 LPS-7i Li-Ion battery (6,400 mAh) – up to 7 hours, USB-C PD (5V/9V)
- 💧 IPX7 (1 m / 30 min) – rubber-armored polymer body, operating range −25 °C to +40 °C
- ⚖️ 680 g – light for a high-resolution monocular of this class
Who is the Pulsar Wildlife Lumion XL50 designed for?
The Lumion XL50 is the choice for wildlife observers and ornithologists who prioritise maximum imaging resolution above all else – those who need to resolve fine feather detail, plumage pattern and surface texture at the longest possible distances and are not dependent on an integrated laser rangefinder. The 1024×768 Lynred HD sensor and the Image Boost processing make it the most capable thermal imaging monocular in the Pulsar Wildlife range for detailed identification work. It is equally suited to wildlife researchers who record image and video data for scientific documentation, nature filmographers who require the sharpest thermal footage possible, and hunters or game managers who need the longest detection range in the field. The classic dual-ring control system appeals particularly to users with a background in camera optics or traditional spotting scopes who value precise, independent control of focus and magnification.
Technical Specifications – Pulsar Wildlife Lumion XL50
| Model | Pulsar Wildlife Lumion XL50 |
|---|---|
| SKU | PUL-77521 |
| Sensor type | Uncooled microbolometer – Lynred HD (European) |
| Sensor resolution | 1024×768 px |
| Pixel pitch | 12 µm |
| NETD (sensor) | <40 mK |
| sNETD (system) | <20 mK |
| Frame rate | 50 Hz |
| Objective lens | 50 mm F1.0 Germanium |
| Magnification | 2.5–20x (digital zoom up to 8x) |
| Field of view | 14×10.5° – 24.6×18.5 m @ 100 m (at 2.5x) |
| Eye relief | 14 mm |
| Detection range | 2’300 m |
| Image processing | Image Boost (proprietary algorithm – halftone enhancement, low-contrast object sharpening) |
| Display type | AMOLED HD |
| Display resolution | 1024×768 px (1:1 with sensor) |
| Colour palettes | 8 (White Hot, Black Hot, Red Hot, Rainbow, Ultramarine, Red Monochrome, Sepia, Violet) |
| Video recording | MP4 with audio – 1024×768 – 50 fps |
| Photo | JPG – 1024×768 |
| Internal storage | 64 GB |
| Wi-Fi | Dual-band 2.4 / 5 GHz – IEEE 802.11 b/g/n/ac |
| App | Wild Vision (Android & iOS) |
| Battery | LPS 7i Li-Ion – 6’400 mAh (removable) |
| Battery life | Up to 7 h at 22 °C |
| Charging | USB-C – Power Delivery 5V / 9V |
| Focus & zoom controls | Two separate rings on objective lens (focus ring + magnification ring) |
| Housing | Composite polymer, rubber-coated |
| Protection | IPX7 (IEC 60529) – waterproof to 1 m for 30 min |
| Tripod mount | 1/4″ standard |
| Operating temperature | −25 °C to +40 °C |
| Dimensions (L×W×H) | 243×72×62 mm |
| Weight | 680 g |
| Manufacturer warranty | 3 years (Pulsar Wildlife) |
Package Contents – Pulsar Wildlife Lumion XL50
- 🔭 Pulsar Wildlife Lumion XL50 thermal monocular
- 🔋 LPS 7i battery pack (Li-Ion, 6’400 mAh, removable)
- 🔌 USB-C cable for charging
Frequently Asked Questions – Pulsar Wildlife Lumion XL50
What does the 1024×768 / 12 µm Lynred HD sensor mean in practice?
The Lumion XL50 uses a 1024×768 uncooled microbolometer manufactured by Lynred, a European detector specialist. This sensor produces 786’432 individual temperature-sensitive pixels at a 12 µm pixel pitch – more than 2.5 times the pixel count of a 640×480 sensor. In the field, this translates directly to significantly finer spatial resolution in the thermal image: feather detail, plumage pattern, limb definition and subtle surface texture are resolved at distances where lower-resolution devices show only an undifferentiated heat mass. The field of view is 14×10.5° (24.6×18.5 m at 100 m) at the 2.5x base magnification, wide enough for landscape-scale scanning; digital zoom up to 20x allows detailed study of distant subjects.
What is sNETD <20 mK and why does it matter?
sNETD (system NETD) is the minimum temperature difference that the complete assembled device – sensor, optics and electronics together – can reliably resolve between adjacent scene points. A value below 20 mK means the Lumion XL50 distinguishes thermal contrasts smaller than 0.020 °C. This is a genuinely fine sensitivity level: it enables detection of recently vacated roost sites that are still slightly warmer than their surroundings, birds partially concealed in dense vegetation, and heat signatures that remain weak at low ambient temperatures or high humidity. The sensor NETD alone is below 40 mK; the better system sNETD of <20 mK is achieved because the F1.0 lens collects substantially more infrared radiation per frame, reducing optical noise in the signal chain.
What is Image Boost technology?
Image Boost is Pulsar’s proprietary image processing algorithm implemented in the Lumion XL50. It processes the raw thermal data from the high-resolution Lynred HD sensor to render complex scenes across a wide dynamic range of halftones, enhancing the visibility of low-contrast objects that emit thermal energy at near-uniform levels relative to their background – such as birds against a cloudy sky, mammals in warm-season vegetation, or nocturnal animals in environments where the ambient-to-subject temperature difference is small. Image Boost also includes adjustable sharpening filters and brightness/contrast controls that allow the user to tailor the image to their specific observation conditions and reduce eye fatigue during extended sessions. It is a purely computational enhancement applied downstream of the raw sensor data and does not replace the fundamental advantage of the high-resolution detector.
What does the 2’300 m detection range mean in practice?
2’300 m is the distance at which the thermal channel can confirm the presence of a human-sized heat source under standard atmospheric conditions (Johnson criterion: detection = 1.5 cycles on the target). This is the longest detection range of any monocular in the Pulsar Wildlife lineup, enabled by the large 1024×768 sensor format combined with the 50 mm F1.0 objective. At this distance the observer can confirm ‘something is present’ but not necessarily identify the species or individual. Recognition and identification distances are shorter – typically one-third and one-eighth of the detection range. For ornithology, large birds such as eagles, herons, geese and large waders can be detected at extreme distances; detailed identification requires zooming in using the 2.5–20x magnification range.
What is the advantage of the F1.0 lens over F1.2 lenses used on other monoculars?
Aperture determines how much infrared radiation the lens collects per unit of time. An F1.0 lens has an aperture area (proportional to 1/f²) that is 44% larger than an F1.2 lens of the same focal length. This means significantly more thermal energy reaches the sensor per frame, resulting in a brighter, lower-noise image. In practice this delivers better contrast in cold conditions where scene temperature differences are small, better performance at high humidity, and improved ability to resolve weaker heat signatures. For the Lumion XL50, the F1.0 aperture of the 50 mm objective directly contributes to the system sNETD of <20 mK – the sensor alone has a NETD of <40 mK, and the optical gain of the F1.0 lens is what bridges that gap at the system level.
How does the LPS 7i battery work and can I charge it in the field?
The Lumion XL50 uses a single removable LPS 7i Li-Ion battery pack with a capacity of 6’400 mAh, providing up to 7 hours of operation at 22 °C. Actual runtime varies with ambient temperature (cold reduces capacity), display brightness and active functions. The battery is removable: it can be swapped in the field if a charged spare LPS 7i is available. Both in-device and external charging via USB-C with Power Delivery (5V / 9V) are supported. A standard power bank connected via the USB-C port can extend operational time in the field without a mains supply. The USB-C standard means no proprietary charger is required – any compatible PD-capable charger or cable works.
Is the Lumion XL50 truly waterproof (IPX7)?
The Lumion XL50 is certified IPX7 under IEC 60529, guaranteeing protection against immersion in up to 1 metre of water for 30 minutes. In practice this covers all rainfall conditions, crossing shallow water bodies, and accidental submersion in the field. IPX7 is an internationally standardised test result – not a manufacturer claim but a verified certification. Note that IPX7 covers water protection only; the ‘X’ in IPX7 means dust-ingress protection has not been tested or rated. For environments that combine wet and very dusty or sandy conditions (e.g. desert birding or arid scrubland), the Pulsar Wildlife Orni XG35 with its IP67 rating provides additionally certified dust protection.
What warranty applies to the Pulsar Wildlife Lumion XL50 in Switzerland?
Pulsar Wildlife provides a 3-year manufacturer’s warranty on the Lumion XL50, covering defects in materials and workmanship. In Switzerland, the statutory guarantee right of 2 years from the date of purchase applies independently of the manufacturer’s warranty. Swiss-Sale.ch is happy to assist with any warranty questions and coordinates directly with the authorised Pulsar Wildlife service channel.
