Burris's 400×300 handheld thermal with a 35 mm F1.0 lens, 1280×960 display, Wi-Fi app control and a tripod thread; a US product sold in small numbers in the UK.
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Burris BTH 35 v2 vs ThermTec Cyclops 335 Pro
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.
ThermTec's 384×288 Cyclops with a 35 mm F1.0 lens, 25 mK, 3.3x base magnification, 12-hour built-in battery and IP67 rating.
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Specification side by side
| Burris BTH 35 v2 | ThermTec Cyclops 335 Pro | |
|---|---|---|
| Technology | Thermal | Thermal |
| Sensor | 400×300 | 384×288 |
| Pixel pitch | 12 µm | 12 µm |
| Lens | 35 mm | 35 mm |
| Digital zoom | up to 4x | up to 6x |
| Field of view | 7.8° | 7.5° |
| Display | LCOS 1280x960 | OLED 1024x768 |
| Wi-Fi / app | yes | yes |
| Battery life | up to 5 h | up to 12 h |
| Weight | 624 g | 550 g |
| NETD | — | ≤25 mK |
| Magnification | — | 3.3–19.8x |
| Detection range | — | 1,750 m |
| Recording | — | photo and video |
| Battery | — | built-in 2x 18650 Li-ion |
| Water resistance | — | IP67 |
Sources: Burris BTH 35 v2 (spec page); ThermTec Cyclops 335 Pro (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: Burris BTH 35 v2 · ThermTec Cyclops 335 Pro · 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