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BS-K7D

Day/Night Integrated Observation System · 360° 3D

20×120 Optics40× Zoom EO640×512 Thermal7″ Display
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The 360° 3D render is modeled from mechanical 3D drawings and product images. Colors, materials and other details may differ from the actual product.

Observation Modes

Compare Views by Sensor

Drag the slider left or right to compare the naked-eye view with the sensor image of the same scene.

Night scene seen with the naked eye Sensor image
Sensor Naked eye

These are simulated images, not actual sensor footage, and don't represent performance.

Specifications

Specifications

OPT
20×120 Large-Aperture Optical BodyBased on BS-K7 · Direct viewing, no power required
Magnification / Objective Lens
20× / Ø120 mm
Angle of View
3° (52 m at 1,000 m)
Eye Relief
17 mm
Diopter Control
−4D ~ +3D
Interpupillary Distance
58 ~ 78 mm
Prism / Coating
Porro type / AR fully multi-coated
Azimuth / Vertical Angle
360° / −30° ~ +70°
Material
Aluminum alloy body, STS316 stainless steel parts
Waterproofing
Nitrogen-purged, IPX7 (1 m depth, 30 min)
Operating Temperature
−20 ~ +45 ℃
Waterproofing and operating temperature are based on the official test report for the BS-K7 optical body. Testing of the complete sensor-integrated system (BS-K7D) is planned.
EO
Day/Night EO Zoom CameraDetail magnification · Photo and video recording
Optical Zoom
40× (f 4.25 ~ 170 mm), 12× digital zoom, up to 480× total
Horizontal FOV
59.7° ~ 1.7°
Sensor
1/2.9″ global shutter
Video Output
1080p · 60 fps
Minimum Illumination
Color 0.01 lx · B/W 0.007 lx
Display Functions
Switch to thermal view · PIP
Target development specifications · Published component supplier values, not measured on the system.
IR
LWIR Thermal Imaging CameraHeat detection at night and in haze
Resolution
640 × 512
Detector
Uncooled VOx microbolometer · 12 µm
Lens
25 mm · F1.0
Field of View
17.5° × 14.0°
Thermal Sensitivity (NETD)
< 40 mK
Target development specifications · Published component supplier values, not measured on the system.
7″
Display · OptionsVideo observation screen
Display
7″ · 1024 × 600
Brightness
1,000 nit high brightness (readable outdoors in daylight)
Mounting
Folding, on top of the body
Sensor Housing
Integrated case under the body
Illuminator (Option)
850 nm NIR · Adjustable beam angle
Waterproofing
FULL IP 67
The 850 nm illuminator is a Class 3B laser product. If adopted, it will be operated in line with safety standards.
Applications

Applications

Developed from operating experience built up in security and surveillance for the Army, Navy, Marine Corps and Coast Guard.

Coastal surveillance
01 · COAST
Coastal & Island Surveillance

Day and night observation of approaching vessels and coastal activity

Night thermal observation
02 · NIGHT
Night Security

Detects heat from people and vehicles in complete darkness

Vessel identification
03 · VESSEL
Naval Operations

Helps identify nearby waters and vessels, with video recording

Observation in sea fog
04 · FACILITY
Land Perimeter · Key Facilities

Long-range identification of people and vehicles, port and facility security

System

Optical Body, Digital and Display Units

The EO and thermal imaging cameras sit in a separate housing apart from the objective lenses, so the 20×120 optics keep their full direct-viewing performance.

BS-K7D front view: top display, 20×120 objective lenses, EO and thermal sensor box below
01
20×120 Optical Body

Daytime direct viewing · No power required

02
40× Zoom EO Camera

Daytime zoom and recording, low-light video

03
640×512 Thermal Imaging Camera

Heat detection at night and in haze

04
Video Processing Unit

EO/thermal switching, PIP display

05
7″ High-Brightness Display

Top-mounted folding video observation screen

06
Power Unit · Lower Case

Separate power unit, integrated sensor case under the body

+
850 nm IlluminatorOPTION

Near-infrared illumination for active night observation

Made by Baeksan

From Design to A/S, All in Korea

Since 1996, Baeksan Science has designed and built its own large-aperture optical equipment, and it's the only manufacturer of large-aperture binoculars in Korea. Design, machining, assembly, inspection and post-delivery support all happen in Korea.

1996
Founded
50+
In-house molded parts
20yrs+
Outdoor operating experience
Objective lens cleaning process
Precision objective lens cleaning
Binoculars assembly line
Assembly and optical axis alignment
Field operation
On-site installation and after-sales support
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