iRay MH25 Mini 640×480 Thermal Helmet Mountable Monocular

The iRay MH25 Mini is a thermal helmet mountable monocular. It is the smallest fully multi functional 12 micron thermal imaging monocular on the market. The iRay can be uses as a handheld monocular or a helmet mounted monocular. 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 monocular features bluetooth, picture in picture, and compatibility with rechargeable 16650 batteries as well as an external power supply. 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 MH25 Mini Features

Picture In Picture

Blackhot, Whitehot, Color Mode

Digital Compass


iRay MH25 Mini Includes

MH25 Sight



Lens Cap

Operator’s Manual

Video/Power USB-C Cable

Product Manual


Device Technology  Thermal Imaging 
Sensor Resolution  640×480
Sensor Pixel Size 12 Micron
Sensor Frame Rate  50hz
Thermal Sensitivity  <50mk
Spectral Response  8-12 Microns 
Optical Magnification  1.1X
Digital Magnification  8X
Housing Material Aluminum / ABS / Copper / Glass / Germanium
Objective Focal Length  25mm 
Objective Diameter  25mm 
Objective F#  1.0
Objective Focusing Range  2 meters to infinity 
Horizontal Angular Field of View 17.5
Vertical Angular Field of View 14
Detection Range  1250 
Eyepiece Focal Length  27mm 
Eye Relief  27mm 
Exit Pupil  14mm 
Diopter Range  -6 to +2 
Connector Output  Video / USB 
Startup Time  Under 5 Seconds 
Storage Temperature Range  -45C / -49F to +75C / 167F 
Power Source  1 X CR123A Lithium; External USB-C Adapter 
Width 2.8 in
Height  4.8 in
Weight  9.3 oz 
Display Type  FLCOS 
Video Output  Analog RS-170/NTSC via 
Image Capture  No
Onboard Recording  No 
Bluetooth  Yes 
Wifi No
Ingress Protection  IP67
Recoil Rating  None
Country of Manufacture  China

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