Product Description
ThermTec Ventus 635L Thermal Imaging Binoculars with Laser Rangefinder
The ThermTec Ventus 635L thermal imaging binoculars with laser rangefinder combine thermal imaging technology, digital day and night vision , and classic binocular observation in a single device. This multi-spectrum binocular integrates a highly sensitive 640x512 thermal sensor , 4K UHD resolution for the digital channel, and a switchable IR illuminator with 850 nm and 940 nm.
This allows heat sources to be detected quickly, game to be clearly identified, and distances to be measured accurately. The binocular design enables observation with both eyes, which is significantly more comfortable during longer viewing sessions.
With a detection range of up to 1,800 m and a large 0.5-inch AMOLED display , the ThermTec Ventus 635L is particularly well suited for scanning large areas. The thermal imaging binoculars deliver a high-contrast, detailed image in daylight, at dusk, and during nighttime observation.
Key features at a glance
5-in-1 system: thermal sensor, 4K CMOS sensor, dual-band IR illumination and LRF
640x512 VOx thermal sensor with 12 µm pixel pitch
NETD < 15 mK for very high thermal sensitivity
Detection range up to 1,800 m
4K UHD CMOS sensor (3536x3536 px) for the day and night vision channel
Switchable IR illuminator 850 nm / 940 nm Laser rangefinder (LRF) up to 1,000 m Digital zoom up to 14.8x 0.5-inch AMOLED display with 1600x1200 px
AI Zoom Pro image optimization for clear details even when using digital zoom
Picture-in-Picture function for combined thermal and digital viewing
Replaceable battery system with 18650 batteries
64 GB internal storage for photo and video recording
IP67 protection rating for reliable use in all weather conditions
VIDEO
Highly sensitive thermal sensor for challenging conditions
The thermal sensor of the ThermTec Ventus 635L operates with a sensitivity of less than 15 mK (NETD). This enables even very small temperature differences to be clearly displayed. Especially under challenging conditions such as fog, rain, high humidity, or minimal temperature differences between game and surroundings, the image remains high-contrast and detailed.
4K day and night vision channel with IR illumination
In addition to the thermal channel, the Ventus 635L thermal binocular features a 4K Ultra HD CMOS sensor with a resolution of 3536 x 3536 px. This allows detailed observation in daylight as well as in digital night vision mode.
The detachable IR illuminator offers two wavelengths :
850 nm for maximum range
940 nm for discreet observation of sensitive game
The switching is easily performed using a rotary control.
AMOLED display and AI Zoom Pro
The 0.5-inch AMOLED display provides a clear, high-contrast image with high pixel density. In addition, the image quality during digital magnification is improved by the AI Zoom Pro function . This ensures that both target objects and background details remain clearly visible.
Picture-in-Picture function and stabilized image
The Picture-in-Picture function allows thermal imaging and the digital channel to be displayed simultaneously. This makes locating and identifying game significantly easier. In addition, the integrated ThermTec AI Calibration ensures a stable and smooth image even when weather or environmental conditions change.
An integrated EIS image stabilizer reduces image movement and provides a steadier display, even at higher magnification levels.
Ergonomic thermal binoculars for extended observation
The ThermTec Ventus 635L was deliberately designed as a binocular thermal device. Observing with both eyes provides a more natural viewing experience and reduces eye fatigue.
Two separate focusing wheels allow quick adjustment for:
Thermal imaging channel Digital and night vision channel
The rubberized housing sits securely in the hand and remains comfortable to operate even at low temperatures.
Replaceable battery system
The Ventus 635L operates with two standard 18650 batteries and achieves a runtime of approximately 6 hours . Thanks to the quick battery replacement system, operating time can easily be extended. An automatic display shut-off function also saves energy when the device is moved away from the eyes.
Thermal sensor VOx
Thermal resolution 640 x 512 pixels
Pixel size 12 µm
NETD < 15 mK
Thermal objective lens 35 mm F0.9
Thermal field of view 12.5° x 10.1°
Field of view at 100 m 21.9 m
Thermal magnification 2.6x – 10.4x
Digital sensor 4K CMOS
CMOS resolution 3536 x 3536 pixels
Digital objective lens 50 mm F1.0
Frame rate 50 Hz
Display AMOLED
Display resolution 1600 x 1200 pixels
Laser rangefinder up to 1,000 m
IR illuminator 850 nm / 940 nm
IR range 850 nm up to 400 m
IR range 940 nm up to 350 m
Color palettes 6
Internal storage 64 GB
Wi-Fi Yes
Video / photo recording Yes
Battery type 2 x 18650
Battery runtime up to 6 h
Protection rating IP67
Weight 825 g
Dimensions 164 x 127 x 73 mm
Operating temperature -20 °C to +50 °C
Tripod mount 1/4"
ThermTec Ventus 635L thermal imaging binoculars
IR illuminator (switchable 850 nm / 940 nm)
Bino carrying case
Objective lens cap
USB-C charging cable
Neck strap
4x 18650 batteries
Battery charger with capacity display
Lens cleaning cloth
User manual
ThermTec Outdoor App
The ThermTec Outdoor app allows you to transfer photos and videos, adjust device settings, and perform firmware updates.
Download the app
Alternatively, the app can also be downloaded using the QR code on the packaging.
System requirements:
Apple iOS version 15.6 or later
Android version 8.0 or later
