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LY-BT75 Five-Channel Binocular Observation System

An all-weather long-range binocular platform integrating thermal, low-light, visible-light, laser-ranging, and positioning channels.

LY-BT75 supports border and coastal surveillance, patrol, long-range search, and rescue missions by combining 640 × 512 thermal imaging, 800 × 600 low-light imaging, 1920 × 1080 visible imaging, 1535 nm laser ranging, positioning, and a digital compass in one handheld or tripod-mounted system. Image fusion, photo and video capture, Wi-Fi, and remote control support continuous detection, confirmation, and reporting in day, night, and low-visibility conditions.

  • Continuous observation in day, night, and low visibility
  • Long-range detection, identification, and range confirmation
  • Multi-source image capture and transmission on one platform
  • IP67 protection and wide-temperature operation
Discuss this product
Mission stageInformation Fusion
CapabilityMultispectral Sensing
ScenarioMultidimensional Coordination
IndustrySpecial Tactics
Product systemMultispectral Systems

Product features

  • Five-channel fusion of thermal, low-light, visible, laser-ranging, and positioning functions
  • 75 mm F1.0 thermal objective with a 640 × 512, 12 μm detector
  • 30 m to 8000 m laser ranging against building targets
  • Image fusion, digital compass, photo, video, Wi-Fi, and remote control

Applications

  • Border, coastal, and critical-site surveillance
  • Long-range patrol and target search
  • Search-and-rescue and emergency observation
  • Multispectral evidence capture and command reporting

Technical specifications

Values are preserved from the source product material. Missing fields are not inferred.

Thermal detectorUncooled VOx, 640 × 512, 12 μm
Thermal spectral band8-14 μm
NETD≤35 mK
Thermal frame rate50 Hz
Thermal objective75 mm F1.0
Thermal optical magnification4.83×
Thermal digital zoom1.0×-8.0× continuous zoom, 0.05× steps
Thermal field of view5.8° × 4.7°
Thermal detection rangePerson 4000 m; vehicle 9500 m
Low-light detectorCMOS, 800 × 600, 8 μm
Low-light sensitivity1 × 10⁻⁴ lux
Low-light objective and field of view50 mm F1.2; 7.32° × 5.5°
Low-light detection rangePerson 2600 m; vehicle 6200 m
Visible-light detector1/2.8-inch CMOS, 1920 × 1080
Visible-light objective42 mm, 0.66×-13.2× optical zoom
Visible-light field of viewWide 61.3° × 36.8°; narrow 3.4° × 1.9°
Visible-light detection rangePerson 10000 m; vehicle 13000 m
Laser ranging1535 nm; building targets 30-8000 m
Ranging accuracy≤3 km: ±1 m; <6 km: ±2 m; 6-9 km: ±3 m
Display1920 × 1080 OLED
Storage and recording128 GB; JPG / MP4
Runtime≥8 h at 25°C
Operating temperature-40°C to +60°C
Protection ratingIP67
Dimensions254 × 225 × 126 mm
Weight2450 g excluding battery and objective cover

Related products

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