InfiRay's entry 256×192 pocket thermal with a 13 mm lens, 9.5-hour battery and IP67 rating; 25 Hz refresh.
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InfiRay Affo AP13 vs InfiRay Finder FH35R V2
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.
InfiRay's compact 640×512 thermal monocular with a 35 mm F0.9 lens, 800 m laser rangefinder and swappable battery packs.
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Specification side by side
| InfiRay Affo AP13 | InfiRay Finder FH35R V2 | |
|---|---|---|
| Technology | Thermal | Thermal |
| Sensor | 256×192 | 640×512 |
| Pixel pitch | 12 µm | 12 µm |
| NETD | ≤40 mK | ≤20 mK |
| Lens | 13 mm | 35 mm |
| Magnification | 2–4x | 2–8x |
| Digital zoom | up to 2x | up to 4x |
| Detection range | 670 m | 1,800 m |
| Field of view | 13.5° | 10.5° |
| Display | AMOLED 640x400 | AMOLED 1024x768 |
| Recording | photo and video | photo and video |
| Wi-Fi / app | yes | yes |
| Battery life | up to 9.5 h | up to 5.5 h |
| Battery | Li-ion 3.6 Ah | removable Li-ion pack (two supplied) |
| Weight | 340 g | 400 g |
| Water resistance | IP67 | IP67 |
Sources: InfiRay Affo AP13 (spec page); InfiRay Finder FH35R V2 (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: InfiRay Affo AP13 · InfiRay Finder FH35R V2 · 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