InfiRay Thermal Monocular MH25 25mm


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North Shore

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

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.

Power Supply Options
Using the included battery extender the Mini is compatible with CR123A, CR123, 16340, and 16650 batteries. Using 1 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.

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.

Display 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
Warranty 3 Years
Environmental Specifications Storage Temperature Range -45C/-49F to +75C/167F
Power Source 1 X CRC123A or 1 X 16650
Run Time 16650 - 3hrs RCR123A - 1.5hrs (extender needed for 16650)
Lens Specifications Optical Magnification 1.1X
Digital Magnification 8X
Housing Material Aluminum/ABS
Materials Aluminum/ABS/Steel/Copper/Glass/Germanium
Objective Focal Length 25mm
Objective Diameter 25mm
Objective F# 1
Objective Focusing Range 2 meters to infinity
Horizontal Angular Field of View 17.5
Vertical Angular Field of View 14
Detection Range 1375m
Eyepiece Focal Length 27mm
Eye Relief 27mm
Exit Pupil 14mm
Diopter Range -4 to +3
Connector Output Video/USB
Startup Time Under 5 Seconds
Connector Type USB-C
Physical Width in/mm 2.8 in
Height in/mm 4.8 in
Weight lb/gr 9.3 oz
Sensor Resolution 640x480
Sensor Pixel Size 12 Micron
Sensor Frame Rate 50hz
Thermal Sensitivity <50mk
Spectral Response 8-12 Microns

See listing here for helmet mount:

Warranty period on new thermal optics: 
Pulsar: 3 Year manufacturers warranty
Guide: 1 Year + Register online and get an extra year:
InfiRay: 2 Year warranty: 

Please note: Manufacturers warranty period above covers the unit itself and does not cover commercial use. Thermal accessories will have a lesser cover period that what is specified for the units above. The warranty does not cover mis-use or accidental damage caused by the operator. 

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