ThermTec Ventus 335L Multi-Spectrum Binoculars
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The ThermTec Ventus 335L multi-spectrum binoculars pair a 384x288 thermal sensor with a 4K day/night camera, 1000m rangefinder and 1800m detection.
Description
Description
The Ventus 335L combines a 384×288 thermal sensor with NETD <15 mK and a 4K UHD (3840×2160) CMOS sensor, supported by switchable 850 nm and 940 nm IR illumination, to deliver clear imaging across day and night. An exclusive hybrid picture-in-picture display, EIS image stabilisation and ThermTec AI Calibration keep the view steady and detailed, while the integrated laser rangefinder measures to 1000 m and detection reaches 1800 m. Two replaceable batteries provide up to 7 hours of use, and the ergonomic one-hand dual focus design keeps observation comfortable during long sessions.
Key Features
Key Features
Compare This Range
| Specification | ThermTec Ventus 335L Multi-Spectrum Binoculars | ThermTec Ventus 635L Multi-Spectrum Binoculars | ThermTec Ventus 650L Multi-Spectrum Binoculars |
|---|---|---|---|
| Thermal Resolution | 384×288 | 640×512 | 640×512 |
| Pixel pitch | 12μm | 12μm | 12μm |
| NETD | <15mK@300K | <15mK@300K | <15mK@300K |
| Spectral range | 8-14μm | 8-14μm | 8-14μm |
| Thermal Objective lens | 35mm/F0.8 | 35mm/F0.9 | 50mm/F1.0 |
| Thermal Field of View/m@100m | 7.5°×5.6° / 13.2×9.9 | 12.5°×10° / 21.9×17.6 | 8.8°×7.0° / 15.4×12.3 |
| Frame rate | 50Hz | 50Hz | 50Hz |
| Thermal Magnification | 4.3X-17.2X(4X) | 2.6X-10.4X(4X) | 3.7X-14.8X(4X) |
| Detection range | 1800m | 1800m | 2600m |
| Optical Resolution | 3840x2160 2μm | 3536x3536 2μm | 3536x3536 2μm |
| Optical Field of view/m@100m | 8.8°×4.9° / 15.4×8.6 | 8.1°×8.1° / 14.14×14.14 | 8.1°×8.1° / 14.14×14.14 |
| Optical Objective lens | 50mm/F1.4 | 50mm/F1.4 | 50mm/F1.4 |
| IR illuminator wavelength | 850nm/940nm switchable | 850nm/940nm switchable | 850nm/940nm switchable |
| Viewing range at night | 850nm:400m/940nm:350m | 850nm:400m/940nm:350m | 850nm:400m/940nm:350m |
| Optical Magnification | 5X-30X(6X) | 4X-24X(6X) | 4X-24X(6X) |
| Type | AMOLED | AMOLED | AMOLED |
| Image Display Resolution | 1600×1200 | 1600×1200 | 1600×1200 |
| Display size | 0.5 inch | 0.5 inch | 0.5 inch |
| Color palette | 6 | 6 | 6 |
| Eye relief | 20mm | 20mm | 20mm |
| Exit pupil | 8mm | 8mm | 8mm |
| Diopter | ±5D | ±5D | ±5D |
| Interpupillary adjustment range | 60mm to 72mm | 60mm to 72mm | 60mm to 72mm |
| Image mode | Forest/Rainy | Forest/Rainy | Forest/Rainy |
| LRF Safety class | Class 1 | Class 1 | Class 1 |
| LRF Wavelength | 905nm | 905nm | 905nm |
| LRF Range | 1000m | 1000m | 1000m |
| LRF Accuracy | ±1m | ±1m | ±1m |
| Photo/Video playback | Yes | Yes | Yes |
| Audio recording | Yes | Yes | Yes |
| Azimuth | Yes | Yes | Yes |
| Digital magnetic compass | Yes | Yes | Yes |
| Hotspot | Yes | Yes | Yes |
| Language | Multiple-language | Multiple-language | Multiple-language |
| Storage | 64GB EMMC | 64GB EMMC | 64GB EMMC |
| PIP | Yes | Yes | Yes |
| Heat track | Yes | Yes | Yes |
| EIS | Yes | Yes | Yes |
| Local album | Yes | Yes | Yes |
| OSD recording | Yes | Yes | Yes |
| Burn prevention | Yes | Yes | Yes |
| Internal battery | Replaceable Li-ion battery (18650*2) | Replaceable Li-ion battery (18650*2) | Replaceable Li-ion battery (18650*2) |
| Battery life | 7h | 6h | 6h |
| Working temperature | -20℃-+50℃ | -20℃-+50℃ | -20℃-+50℃ |
| Protection level | IP67 | IP67 | IP67 |
| Weight | 825g | 825g | 833g |
| Size | 164(L)x127.6(W)x73(H)mm | 164(L)x127.6(W)x73(H)mm | 164(L)x127.6(W)x73(H)mm |
| Mounting adapter | 1/4-20-UNC | 1/4-20-UNC | 1/4-20-UNC |
| TSR algorithm | — | Yes | Yes |








