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Zeiss DTI 3/25 Gen 2

The wide-angle Zeiss DTI 3: 384×288 behind a 25 mm F1.0 lens for a 15° field of view and 930 m stated detection, 410 g.

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Manufacturer specification

TechnologyThermal
Sensor384×288
Pixel pitch17 µm
NETD≤35 mK
Lens25 mm
Magnification1.7–6.8x
Digital zoomup to 4x
Detection range930 m
Field of view15°
DisplayAMOLED 1024x768
Recordingphoto and video
Wi-Fi / appyes
Battery lifeup to 8 h
Batterybuilt-in Li-ion
Weight410 g

Figures as published by Zeiss (source). A spec that is not listed is one the maker does not state, not a zero. Detection range is for a 1.8 m object under the maker's conditions; recognition is typically a third of it.

Type: Thermal monoculars Brand: Zeiss

The DTI 3/25 Gen 2 is the shorter-lensed sibling of the DTI 3/35 Gen 2. It shares the 384×288, 17 µm, 35 mK detector and 1024×768 AMOLED display, but the 25 mm F1.0 lens gives a lower 1.7x base magnification, a wide 15° field of view, digital zoom to 6.8x and a stated detection range of 930 m.

It records photo and video, connects to the Zeiss Hunting app over Wi-Fi, and runs about 8 hours on a built-in battery. Weight is 410 g at 187 mm long; the retailer describes it as splash-proof with no IP code.

The wide view suits woodland and close farmland, where following a moving animal matters more than reach. As with the 3/35, the appeal is Zeiss's handling and support rather than class-leading sensor numbers, and the sealed battery means carrying a power bank for a full night.

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