Guide's 400×300 thermal binocular with a 50 mm lens, 1,000 m laser rangefinder, GPS and compass, on two swappable 18650 cells.
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Guide TN450 vs Pulsar Merger Duo NXP50
Two thermal binoculars compared on the makers' own figures. Rows in bold are where they differ; a dash means that maker does not publish the figure.
Pulsar's multispectral binocular: a 640×480 thermal channel with a 50 mm lens and a 1920×1200 digital night vision channel, switchable or blended; no rangefinder.
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Specification side by side
| Guide TN450 | Pulsar Merger Duo NXP50 | |
|---|---|---|
| Technology | Thermal | Thermal |
| Sensor | 400×300 | 640×480 |
| Pixel pitch | 17 µm | 17 µm |
| NETD | ≤30 mK | ≤25 mK |
| Lens | 50 mm | 50 mm |
| Magnification | 3.2–12.8x | 3–24x |
| Digital zoom | up to 4x | — |
| Detection range | 1,400 m | 1,800 m |
| Field of view | 7.8° | 12.4° |
| Display | 2x AMOLED 1024x768 | AMOLED 1280x960 |
| Recording | photo and video | photo and video |
| Wi-Fi / app | yes | yes |
| Battery life | up to 5.5 h | up to 7.5 h |
| Battery | 2x removable 18650 Li-ion | built-in 4000 mAh + APS 3 removable 3200 mAh Li-ion |
| Weight | 880 g | 1,200 g |
| Water resistance | IP66 | IPX7 |
| Launched | 2022 | — |
Sources: Guide TN450 (spec page); Pulsar Merger Duo NXP50 (spec page). Detection ranges are for a 1.8 m object under each maker's own test conditions and are not directly comparable between brands.
Full pages: Guide TN450 · Pulsar Merger Duo NXP50 · all thermal binoculars in stock today
Specifications are the manufacturers' published figures. Prices are Amazon.co.uk at our last daily check. As an Amazon Associate we earn from qualifying purchases. More