InfiRay Outdoor Mini MH25W V2 640X512 Thermal Monocular


The InfiRay Outdoor MINI MH25 V2 is a compact, lightweight thermal imager designed for handheld or helmet-mounted use.



The InfiRay Outdoor MINI MH25 V2 is a compact, lightweight thermal imager designed for handheld or helmet-mounted use. Its unique design allows for seamless operation as a handheld monocular, and it can easily transition to a helmet mount for hands-free use. The MH25 V2 is powered by a 50hz 12 μm sensor and features next-generation MATRIX III processing for an unmatched viewing experience. I addition to the features found on the original MH25, the MH25 V2 adds several highly requested features including an upgraded AMOLED display, an upgraded eyepiece, and onboard video and audio recording.

iray mini mh25w v2 monocular

Flexible Mounting Options and Friendly Operation

For hands-free operation there are 2 mounting points designed to allow for a wide variety of dovetail helmet mounts. The Mini’s display icons flip automatically when orientation is flipped.

The MH25 is operated by an intuitive clearly labeled menu and user friendly rotary button. This one button operation has positive clicks with each selection and allows for quick and easy operation without having to search for any buttons in the dark.

iray mini mh25w v2 monocular

Power Supply Options

The Mini is compatible with CR123A, CR123, 16340, and 16650 batteries. Using 1 x 16650 the Mini will run for 3 hours, and using the included power cable with a 10,000 mah USB battery the Mini will run for 18 hours. DO NOT USE 2 x CR123A batteries with the 16650 adapter, it will permanently disable your device.

About InfiRay Sensors

IRAY technology has been developing and producing infrared FPA detectors, thermal cores, and other thermal products outside of the US for more than a decade. IRay has completely independent intellectual property rights and is committed to providing professional thermal imaging solutions across the globe. More than 50% of IRay’s employees are R&D engineers and IRay has been awarded 219 technical patents.


Objective Lens Material Germanium
Objective Focal Length 25mm
Objective F# 1.0
Optical Magnification 1X
Detection Range 1375 Yards
Display Type AMOLED
Display Resolution 1280×960
Focusing Mechanism Manual Focus
Eye Relief 20mm
Digital Magnification 4X, stepped
Diopter Range -4 – +3
Vertical Angular Field of View 13.1°
Horizontal Angular Field of View 17.5°
Objective Focusing Range 2 meters to infinity
Eyepiece Focal Length 27mm
Exit Pupil 14mm
Objective Diameter 25mm

Features & Performance

Onboard Recording Yes
Warranty 5 Years
Image Capture Yes
Mobile App Yes
Wifi Yes
Video Output Analog RS-170/NTSC
Connector Output Power/Data
Connector Type USB-C
Color Palettes White Hot, Black Hot, Red Hot, Color, Highlight
User-Updatable Firmware Yes
Storage Capacity 32GB
Power Source 16650 Battery
Run Time 2.5+
External Power Source USB-C
Startup Time Under 10 Seconds
Country of Manufacture China

Environmental Specifications

Recoil Rating None
Ingress Protection IP67
Operating Temperature Range -4°F~122°F


Length 5.30
Height 1.77
Width 2.75
Mounting Interface MUM Rail
Housing Material Aluminum/ABS
Weight 12.1

Sensor Specifications

Sensor Resolution 640×512
Sensor Pixel Size 12μm
Sensor Frame Rate 12μm
Sensor Type InfiRay MICRO II
Thermal Sensitivity <50mk
Non-Uniformity Correction (NUC) Manual, Automatic, Semi-Automatic
Spectral Response 8-12 Microns
Device Technology Thermal Imaging