ATN's wide-angle 384×288 monocular: 1.25–5x, 16° field of view, 60 Hz, HD recording and an 18-hour internal battery.
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ATN OTS 4T 384 1.25-5x vs Guide TD411
Two thermal monoculars compared on the makers' own figures. Rows in bold are where they differ; a dash means that maker does not publish the figure.
A compact 384×288 thermal with a 19 mm lens, 13.6° field of view and a 10-hour swappable 18650 cell. No longer in production.
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Specification side by side
| ATN OTS 4T 384 1.25-5x | Guide TD411 | |
|---|---|---|
| Technology | Thermal | Thermal |
| Sensor | 384×288 | 384×288 |
| Magnification | 1.3–5x | 1.4–5.6x |
| Digital zoom | up to 4x | up to 4x |
| Detection range | 686 m | 800 m |
| Field of view | 16° | 13.6° |
| Display | 1280x720 | OLED 640x400 |
| Recording | photo and video | — |
| Wi-Fi / app | yes | yes |
| Battery life | up to 18 h | up to 10 h |
| Battery | built-in Li-ion | removable 18650 Li-ion |
| Weight | 850 g | 330 g |
| Pixel pitch | — | 12 µm |
| NETD | — | ≤40 mK |
| Lens | — | 19 mm |
Sources: ATN OTS 4T 384 1.25-5x (spec page); Guide TD411 (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: ATN OTS 4T 384 1.25-5x · Guide TD411 · all thermal monoculars 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