Infiray TH50 Thermal Tube Scope


TH50 is equipped with 12um 640×512 sensor, 50mm optics and 2560×2560 1.03”Micro-OLED display, bringing unprecedented comfort, super clarity and precision to your outdoor journey. For whom value tradition and pursue technology improvement , TH50 is a go- to choice.


  • Low profile traditional style scope
  • Removable rechargeable lithium battery with 8hr + extended battery life
  • WiFi Compatible
  • 3.5~16.0x Optical Magnification
  • 2361m Detection range

In stock


The Infiray TH50 Thermal Tube Scope was designed from the ground up for optimal use on bolt action rifles and other platforms that demand flexible mounting options with increased eye relief. The traditional style housing allows for mounting with standard 30mm rings like a typical day scope.

Infiray TH50 Thermal Tube Scope

12 um 640 x 512 high capacity sensor

Being the top-end thermal scope of Tube Series, TH50 is equipped with the industry leading InfiRay 12 um 640×512 sensor with advanced image processing algorithm which has excellent performance in dealing with even the slightest temperature difference presenting detailed vivid imaging.

High Capacity Sensor

2361m Detection Range

Combining the extraordinary sensor and the powerful 50mm optics, TH50 can achieve the detection range up to 2361m.

Infiray TH50 Thermal Tube Scope Detection Range

Ultraclear Mode

When Ultra-clear mode is on, bad weather condition effect is off. With Ultra-clear mode, TH50 can still provide a clear and delicate imaging even in bad weather conditions such as heavy fog and rain. Bad weather can’t stop you from your great adventure.

Ultraclear on
Ultraclear off
Ultraclear off

1.03″ Micro-OLED display with 2560 x 2560 resolution

TH50 adopts particular 2560×2560 1.03”Micro-OLED display to provide finest observing experience with excellent optical parameter of 4x optical magnification and 8x eyepiece magnification, no need to stare into the screen
like you used to, therefore the visual fatigue caused by the long-time observing can be prevented.

Micro-oled display

More Accurate Zeroing

TH50 is able to reach 1.2cm per unit at 100m when zeroing. You can adjust the coordinate through 1.2cm per unit at 100m. Each scale unit is smaller. Therefore, the zeroing can be more accurate.

More accurate zeroing

Smooth magnification adjustment

TH50 is able to magnify the imaging smoothly without flicker and stutter bringing users comfort when observing.

Shutterless Function

The Shutterless core module is adopted to nullify the shutter calibration, simplify the operation, and lower the energy consumption, making the imaging quieter and linear.

32G Storage

TH50 comes with 32GB of memory for storing 57,000 images or 48 hours of video. Captured videos and images can be easily transferred to your smartphone at lightning speed via app.

32gb of memory

TH50 – Specs

Detector Specifications
TypeUncooled Vox
Pixel size, μm12
NETD, mk≤40
Frame Rate, Hz50
Optical Specifications
Objective Lens, mm50
FOV, º8.8×7.0
Optical Magnification, ×3.5~16.0
Digital Zoom, ×1.0~4.0
Eye Relief, mm50
Detection Range, m
(Target size: 1.7m×0.5m, P(n)=99%)
Display Specifications
TypeMicro OLED
Battery Power Supply
Battery TypeTwo built-in 18650 batteries + one replaceable 18500 battery
Operating time (22 ºC), h*10
External Power Supply5V (Type C)
Physical Specifications
Scope Diameter, mm30
Max. Recoil Power, g/s²1000
Ingress Protection RatingIP67
Memory Capacity, GB32
Operating Temperature, °C-20~+50
Weight (Without the 18500 Battery), g<940
Dimension, mm370×85×75

Get the manual here


Model TH50
Detector Specifications  
Type Uncooled Vox
Resolution 640×512
Pixel size, μm 12
NETD, mk ≤40
Frame Rate, Hz 50
Optical Specifications  
Objective Lens, mm 50
FOV, º 8.8×7.0
Optical Magnification, × 3.5~16.0
Digital Zoom, × 1.0~4.0
Eye Relief, mm 50
Detection Range, m (Target size: 1.7m×0.5m, P(n)=99%)  2361
Diopter -5~+3.5
Display Specifications  
Type Micro OLED
Dimensions 1.03”
Resolution 2560×2560
Battery Power Supply  
Battery Type Two built-in 18650 batteries + one replaceable 18500 battery
Operating time (22 ºC), h* 10
External Power Supply 5V (Type C)
Physical Specifications  
Scope Diameter, mm 30
Max. Recoil Power, g/s² 1000
Ingress Protection Rating IP67
Memory Capacity, GB 32
Operating Temperature, °C -20~+50
Weight (Without the 18500 Battery), g <940
Dimension, mm 370×85×75


Get product manual