Pulsar Axion XQ19 Compact Thermal Monocular — 384x288, 19mm, Under 9 oz

The Axion XQ19 Compact is the thermal monocular you will actually carry. Under nine ounces, small enough to live in a bino harness pocket, and built around a European-made sensor with a system NETD below 18 mK — a sensitivity figure normally reserved for optics costing considerably more.

Sensitivity Is The Headline Here

The 384x288 sensor runs a 17µm pixel pitch, and Pulsar quotes a sensor NETD under 25 mK with a system-level figure under 18 mK. NETD measures the smallest temperature difference the unit can actually resolve, and lower is better. That number is what decides whether a thermal still works in fog, in the flat low-contrast light of first and last shooting hours, or right after rain when everything in the scene has equalized to the same temperature. Plenty of monoculars in this price bracket ship a 384 sensor. Very few pair it with sensitivity this good.

Built To Scan, Not To Reach

The F19/1.0 objective produces a 19.5° x 12.3° field of view — 34.7 meters across at 100 meters. That is a wide window, and it makes sweeping a timbered hillside or a brushy draw genuinely fast. Base magnification is 1.5x with digital zoom to 6x. Detection range on a deer-sized target is roughly 750 meters, or 820 yards.

Be clear on what that trade means: this is a scanning optic, not a reaching one. If you glass across canyons and need to pick a heat signature out of a far hillside, a 35mm or 50mm objective serves you better. If you hunt timber and brush and want to cover ground quickly, the wide field is the right tool.

The Body And The Battery

Magnesium alloy housing rather than polymer, with a rubberized grip strip and IPX7 waterproof sealing. The APS3 battery is removable and swaps in seconds, running about 8 hours per charge, and it recharges over USB-C from a wall outlet, a computer, or a power bank. Carrying one spare effectively doubles your night.

The 640x400 AMOLED display is a step down from the 1024x768 panels on larger units, which is a fair thing to know going in. Eight color palettes are on board, including white hot, black hot, red hot, and Pulsar's specialized modes. Stream Vision 2 handles Wi-Fi streaming and file transfer, and there is 64GB of internal storage for photo and video.

Key Specifications

• Thermal Sensor: 384x288, 17µm pixel pitch, European-made uncooled
• NETD: <18 mK system, <25 mK sensor
• Objective Lens: F19/1.0
• Magnification: 1.5-6x (4x digital zoom)
• Field of View: 19.5° x 12.3° (34.7 m at 100 m)
• Detection Range: 750 m / 820 yards
• Display: 640x400 AMOLED
• Refresh Rate: 50Hz
• Eye Relief: 14mm
• Diopter Adjustment: +4 / -5
• Battery: Removable APS3, approximately 8 hours, USB-C charging
• Weight: Under 9 oz
• Body: Magnesium alloy, IPX7
• Color Palettes: 8
• Storage: 64GB internal, Wi-Fi via Stream Vision 2

Worth Knowing Before You Buy

A 384 sensor detects reliably but identifies at shorter distances than a 640. It will show you that something warm is in the timber at 300 yards; it will not always tell you what that something is. If identification at distance matters to how you hunt, step up to the Nocpix Lumi H35 or the AGM ReachIR LRF 35-640. If you want more reach at a similar price, the AGM Taipan V2 19-384 trades field of view for a longer 950-meter detection range.

Thermal detects heat, not detail — it will not let you judge antlers or age an animal. Check your state's regulations before taking any thermal device afield, since rules on thermal use for hunting vary considerably by state and by species.