Multi-spectrum binoculars ThermTec VENTUS 635L

ThermTec Ventus 635L is a premium thermal and digital binocular system with an integrated laser rangefinder (LRF), designed for reliable observation in daylight, twilight, and complete darkness. Combining a highly sensitive thermal sensor (NETD <15 mK), a 4K Ultra CMOS optical sensor, and dual-band IR illumination, it delivers sharp, stable, and highly detailed imaging in demanding environments. Powered by ThermTec AI Calibration and AI-driven Thermal Super Resolution (TSR) technology, the Ventus 635L ensures enhanced image clarity, stability, and smooth viewing even in rapidly changing conditions. With a detection range of up to 1800 meters and ergonomic one-hand operation, it is built for extended field use.

Key Features

• 640×512 @ 12 μm thermal sensor
• NETD <15 mK – ultra-high thermal sensitivity
• Switchable 850 nm / 940 nm IR illuminator (removable)
• Integrated 1000 m laser rangefinder (±1 m accuracy)
• 0.5" AMOLED display, 1600×1200 resolution
• 2.6×–10.4× thermal magnification (4× digital zoom)
• 4×–16× optical magnification
• Dual replaceable 18650 batteries (up to 6 hours runtime)
• 64 GB built-in storage (photo & video with audio)
• IP67 waterproof and dustproof rating

Superior Image Performance

The Ventus 635L integrates a 4K Ultra CMOS sensor (12 MP, 3536×3536, 2 μm), delivering exceptional optical detail. The high-resolution 1600×1200 AMOLED display provides vivid colors, deep contrast, and a comfortable viewing experience. AI-powered Thermal Super Resolution (TSR) enhances fine details even when using digital zoom up to 14.8×, maintaining premium image quality across all magnification levels.

Integrated Laser Rangefinder (LRF)

• Wavelength: 905 nm
• Safety Class: Class 1
• Measuring Range: up to 1000 m
• Accuracy: ±1 m

The precise laser rangefinder improves situational awareness, making it ideal for hunting, wildlife observation, and professional field applications.

Ergonomic & Field-Ready Design

• Dual focus wheel control for easy one-hand operation
• Adjustable interpupillary distance: 60–72 mm
• Diopter adjustment: ±5D
• Rubber-coated, anti-slip housing (maintains elasticity at low temperatures)
• Proximity sensor automatically turns off display when not in use to save power

Technical Specifications

Thermal System

• Resolution: 640×512
• Pixel Pitch: 12 μm
• NETD: <15 mK @300K
• Spectral Range: 8–14 μm
• Objective Lens: 35 mm F0.9
• Field of View: 12.5°×10° (21.9×17.6 m @100 m)
• Frame Rate: 50 Hz
• Detection Range: up to 1800 m

Optical System

• Sensor Resolution: 3536×3536, 2 μm
• Objective Lens: 50 mm F1.4
• Optical Field of View: 8.1°×8.1° (14.14×14.14 m @100 m)
• Optical Magnification: 4×–16×
• Night Viewing Range: 850 nm: up to 400 m / 940 nm: up to 350 m

Display

• Type: AMOLED
• Resolution: 1600×1200
• Size: 0.5 inch
• Color Palettes: 6
• EIS (Electronic Image Stabilization): Yes

Additional Features

• Photo & video recording with audio
• Digital magnetic compass
• Azimuth display
• Hotspot detection
• PIP (Picture-in-Picture)
• Heat Track
• OSD recording
• Burn-in prevention
• Multi-language menu

Power & Durability

• Battery Type: 2× replaceable 18650 Li-ion
• Battery Life: up to 6 hours
• Charging & Data: USB Type-C
• Operating Temperature: -20°C to +50°C
• Protection Level: IP67

Physical Specifications

• Weight: 825 g
• Dimensions: 164 × 127.6 × 73 mm
• Mounting Thread: 1/4-20-UNC