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Guide TD210 vs Zeiss DTI 3/35 Gen 2

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.

Guide's entry 256×192 thermal with a 10 mm lens and 17.5° field of view, an 8-hour swappable cell and a 200 m laser pointer; 25 Hz.
£549.00cheapest tracked listing
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Zeiss's second-generation 384×288 thermal monocular with a 35 mm F1.0 lens, 11° field of view, 1024×768 AMOLED display and 8-hour built-in battery.
no live Amazon listing tracked

Specification side by side

Guide TD210Zeiss DTI 3/35 Gen 2
TechnologyThermalThermal
Sensor256×192384×288
Pixel pitch12 µm17 µm
NETD≤50 mK≤35 mK
Lens10 mm35 mm
Magnification1.8–3.6x2.4–9.6x
Digital zoomup to 2xup to 4x
Detection range400 m1,300 m
Field of view17.5°11°
DisplayLCOS 1280x960AMOLED 1024x768
Recordingphoto and videophoto and video
Wi-Fi / appyesyes
Battery lifeup to 8 hup to 8 h
Batteryremovable 18650 Li-ionbuilt-in Li-ion
Weight360 g420 g

Sources: Guide TD210 (spec page); Zeiss DTI 3/35 Gen 2 (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 TD210 · Zeiss DTI 3/35 Gen 2 · all thermal monoculars in stock today

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