iRay Finder FH25 product image
Type: Monocular
Resolution: 640 x 512 pixels
Brand: iRay
Series: Finder

iRay Finder FH25

The FINDER FH25 is a thermal monocular made by iRay and is part of the Finder series.

It uses a quality 25mm lens to capture thermal radiation. The field of view (FOV) on this thermal monocular reads 17.5 x 14 degrees. It's equipped with a 6x digital zoom to capture additional details. The exit pupil diameter is 20mm.

Inside the housing of the Finder FH25 you'll find the (uncooled, 12µm) 640 by 512px sensor with a refresh rate of 50Hz.

The dimensions of this thermal monocular are 70 x 52 x 130mm (length/width/height) and weighs in at 320g. It can withstand dust, shocks and water (splashes).

The Finder FH25 can be used for surveillance missions, hunting, law enforcement and search and rescue operations.

More thermal cameras by iRay (Browse all here):


    • 12 µm pixel pitch
    • Long Range Detection
    • 50Hz realtime video
    • Laser Rangefinder (LRF)
    • Record photo & video
    • WiFi connectivity
    • Accelerometer and E-Compass

Finder FH25 Specifications

Lens25 mm
Diopter adjustment-4 +5
Exit pupil diameter20 mm
Optical zoom1.5 x
Digital zoom6 x
FOV (h/v)17.5 ° / 14 °
Thermal typeUncooled
Sensor resolution (h/v)640 pixels / 512 pixels
Pixel pitch12 µm
Display resolution (h/v)1280 pixels / 960 pixels
Refresh rate50 Hz
Output screen colorFull color
Additional detailsThis version doesn't include a LRF
Dimensions (l/w/h)70 mm / 52 mm / 130 mm
Weight320 g
Number of batteries1
Battery life8 hours
Law enforcement
Search & rescue
Fire fighting

More devices in Finder series

Manufactured by iRay
IRay (InfiRay) is a manufacturer of thermal imaging cameras and has been operating since 2017. IRay's headquarter is located in China (Asia).
Thermal Imaging cameras
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