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InfiRay Finder FH35R V2

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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Manufacturer specification

TechnologyThermal
Sensor640×512
Pixel pitch12 µm
NETD≤20 mK
Lens35 mm
Magnification2–8x
Digital zoomup to 4x
Detection range1,800 m
Field of view10.5°
DisplayAMOLED 1024x768
Recordingphoto and video
Wi-Fi / appyes
Battery lifeup to 5.5 h
Batteryremovable Li-ion pack (two supplied)
Weight400 g
Water resistanceIP67

Figures as published by InfiRay (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: InfiRay

The Finder FH35R V2 is a handheld thermal monocular built around a 640×512, 12 µm detector with a quoted sensitivity of 20 mK, behind a 35 mm F0.9 lens. The combination gives a 10.5° field of view, a 2x base magnification with digital zoom to 8x, and a stated detection range of 1,800 m for a standing person. A Class 1 laser rangefinder is built in and reads to 800 m.

It records photos and video to 32 GB of internal memory and streams to a phone over Wi-Fi through the InfiRay Outdoor app. Power comes from a removable pack rated at 5.5 hours; two are supplied, so a night out is covered by swapping rather than charging. The body is IP67 rated and weighs under 400 g.

It suits deer watchers and smallholders working open ground who want the extra detail of a 640 sensor in a pocketable unit and a rangefinder for judging distance. Those who mostly look within 150 m will get similar results from a 384 unit for less.

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Specifications are the manufacturer's published figures and may change between production batches; check the retailer's listing before you buy. As an Amazon Associate we earn from qualifying purchases. More