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Regular price £2,692.00 GBP
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Lens System

Thermal Monocular with range finder WTMS

WTMS thermal imagers are equipped with a built-in laser rangefinder with a range of up to 1000 m and measurement accuracy of ± 1 m. High sensitive thermal image Vox sensor with NETD 35mK allows you to detect targets by cutting through snow, dust, smoke, fog, haze, and other atmospheric obscurants.

They can be used in various applications including hunting, observation, security, terrain orientation, search and rescue operations, etc.

WTMS comes in two variants in terms of front lens size:

  • WTMS36-R3 with resolution 384 x 288 pixels and front lens 35mm.
  • WTMS51-R3 with resolution 384 x 288 pixels and front lens 50mm.


  • Built-in laser rangefinder
  • Wi-Fi and on-board recording
  • Various observation modes
  • Highly sensitive thermal image sensor
  • Detection Range
  • Smooth digital zoom
  • Video output function
  • Display modes
  • High-resolution OLED display

Standard set:

  • Thermal monocular
  • Soft carrying case
  • Cable line
  • Manual
  • Lens cover
  • Lens cleaning
  • Memory card
Parameter Value
Batteries Built-in lithium battery
Diopter adjustment from -5 to +4
Low battery indicator Yes
Operating temp range From -20 to +50
Shock resistance 5
Storage temperature range From -40 to +60
Supply voltage 5V
Additional mounting rail N/A
Battery life 8
Bluetooth No
Brightness adjustment AGC
Contrast AGC
Detection 2480
Detector sensor type Uncooled Vox
Dimensions (mm x mm x mm) 155 x 50 x 92
Display OLED
Electronic Compass NO
External power Yes (USB)
Eye relief (mm) 15
E-zoom 2x, 4x
Focus range (m) 5 to infinity
Fov H x V = 10.6 x 8
Frame rate 50
Identification (m) 400
Image size output resolution 1024 x 768
Interpupillary adjustment N/A
Laser rangefinder YES
Lens system mm:F 35 mm, F:1.1
LR measurement accuracy (+/-) 1
LR measuring range from 5m to 1000m
LR safety class for laser equipment 1
Material Amorphous silicon
Model WTMS36-R3
Optical magnification x 2,7
Pixel pitch 12
Polarity control White hot, black hot
Positioning system GPS NO
Power off time 5
Recognition 800
Recording YES
Sensor resolution 384 x 288
Sharpness adjustment Manual
Spectral response from 8 to 14
Standby mode Yes
Start from standby 5
Start up time 5
Storage 32 GB
Thermal sensitivity < 25
USB As external power only
Video output Yes (BNC)
Waterproof IP67
Weight (g) 540
View full details

RONGLAND reserves the right to improve the specification and/or design without any notice. Some of parameters like RANGE may vary depending on the user, light, contrast, environmental conditions and set up.


What is the difference between thermal imaging and night vision?

Night vision devices require minimal illumination (which is why they use near-infrared). They are sometimes susceptible to exposure to sudden light sources. In addition, unlike thermal imaging - night vision devices "see" through glass. Thermal imaging devices, on the other hand, make it possible to see at any time of the day or night, even in total darkness.They work on the basis of the difference in temperature, which allows them to detect also hidden objects, animals and people - even if they are hidden behind bushes, vegetation or in hard-to-reach places. Over-the-horizon thermal imaging devices allow operation in harsh weather conditions like fog, rain, snow, at sea, etc. As a rule, thermal imaging technology is more expensive than night vision.

What specifically makes Rongland products different from others on the market?

The Rongland brand originated from products for the military sector, firefighters and rescue teams. To this day, it is still our company's main customer. This makes even the engineering design itself anticipate higher-than-civilian reliability performance - because human lives sometimes depend on it. The tenders we've been handling for years require a service life of no less than generally 10 years, burdened with numerous endurance tests and certifications. In our history, we have had less than 1% of the world's complaints and warranty repairs (combined). So it's safe to assume that unless you're looking for a cheap toy for one season - it's simply worth investing in good equipment. And that's what every Rongland device is.

What if I don't know how to choose the right device for me, I don't fully understand these specialized designations, or I'm not sure you have something more suitable for my needs?

In such a situation, send us as much specific information as possible, that is, either the requirements in the form of technical data, or a description of applications. Ideally, also add information about the planned budget - then we will send you our recommendation.

How does Rongland's repair and warranty service work?

Our devices, as a rule, do not break down - so in a situation where the equipment is already really not working, then contact us at with the serial number of the device and the details of the person/company who purchased the device - then we will make a remote preliminary diagnosis without taking the equipment away from you for that time.If the fault would actually prove necessary for physical diagnosis or repair by the service, then you will send the device to us by courier to our Polish service. In the case of compiled repairs, we will use our UK service. You will receive all information directly from us.