8MP 4K External Trigger USB Camera Module for Synchronized High-Detail Capture

Name: 8MP 4K External Trigger USB Camera Module for Synchronized High-Detail Capture
SKU: 14936
Price: 1.00 CNY
Availability: InStock

¥1.00

8MP 4K USB2.0 camera module with external trigger, UVC support, configurable 32×32mm or 38×38mm PCB size, and optional housing or microphone integration.

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Introduction

SF8A169 combines 8MP 4K imaging with hardware external trigger control for equipment that needs higher image detail while controlling when each image is captured.

Unlike the Global Shutter models in this Series, SF8A169 uses a Rolling Shutter sensor configuration. Its main value is therefore not high-speed motion freezing, but synchronized high-resolution image acquisition through a UVC-compatible USB2.0 connection. The standard module supports Fixed Focus and can be configured around different PCB, lens and housing requirements.

Applications in Real Devices

Synchronized High-Resolution Capture Equipment

Some imaging systems need the camera to capture a high-detail frame only when a specific machine state, object position or external signal occurs. External Trigger provides that timing control, while 8MP resolution preserves more scene information for subsequent recognition, measurement or analysis.Because this model uses Rolling Shutter, target motion during exposure should be evaluated before it is selected for fast-moving scenes.

3D Modeling and Multi-View Capture Systems

For systems capturing images from controlled viewpoints or synchronized positions, external trigger can help coordinate image acquisition with the system sequence. The 4K image output provides additional visual detail for downstream reconstruction or modeling workflows.Final synchronization architecture and target movement conditions should be confirmed at the system level.

Project Evaluation Guide

Consider This Model When

External Trigger is required to control image capture timing.
8MP / 4K image detail is more important than Global Shutter motion capture.
USB2.0 UVC integration matches the host system.
A 32×32mm or 38×38mm module structure is required.
Optional housing or microphone integration may be needed.

Confirm Before Sampling

Whether the target remains sufficiently stable during exposure for a Rolling Shutter sensor.
Required trigger frequency and rising-edge trigger logic.
Required resolution and MJPG / YUY2 operating mode.
32×32mm or 38×38mm mechanical structure.
Lens mount and working-distance requirement.
Whether a waterproof housing, industrial shell or microphone option is required.
Host operating system, UVC support and USB bandwidth.

Choosing This Model Within the External Trigger Global Shutter Camera Module Series

SF8A169 should be considered when the project places greater value on 4K image detail, UVC integration and configurable OEM structure than on Global Shutter motion capture.

Its External Trigger function provides controlled acquisition timing, but the Rolling Shutter configuration means it should not automatically replace the Global Shutter models for fast-moving objects. Projects where motion distortion is a primary concern should evaluate one of the Global Shutter trigger models instead.

Related Models

2MP Global Shutter – SF2A543-3.0: Consider this when moving-target capture and Global Shutter performance are more important than 8MP / 4K image resolution.

2MP UVC External Trigger – SF2A418-CD: Consider this when a lower-resolution USB2.0 UVC trigger camera is sufficient and the project does not require 4K imaging.

Key Specifications

Specification	Details
Model	SF8A169
Resolution	8MP / 3840 × 2160
4K MJPG Mode	3840 × 2160 @ 30fps
4K YUY2 Mode	3840 × 2160 @ 1.5fps
Sensor Size	1/1.8 inch
Pixel Size	2.0μm × 2.0μm
Shutter Type	Rolling Shutter
Focus	Fixed Focus
Imaging Distance	1cm–Infinity
Output Formats	MJPG / YUY2
External Trigger	Supported
Trigger Type	Rising Edge
Standard Interface	USB2.0 High Speed
Connector	4-Pin 2.0mm Terminal
Protocol	USB Video Class (UVC)
Operating Voltage	USB DC 5V
Working Current	240mA
Module Size	38×38mm or 32×32mm
Lens Support	1/1.8″ M12 Lens / C-CS Lens
Spectral Configuration	Full spectrum; IR650 filter supplied by default
Microphone	Optional / Requires Customization
Waterproof	Bare module is not waterproof; waterproof housing can be added
SDK	C++ image-acquisition SDK available
Development Support	DirectShow / Halcon / OpenCV / LabVIEW
Working Temperature	−20°C to 70°C
Stable Operating Temperature	0°C to 50°C

SincereFirst Customization

PCB Size and Mechanical Structure

The standard product can be configured around 38×38mm or 32×32mm PCB dimensions. The final board size, mounting arrangement and connector position can be evaluated when the device has a fixed internal camera envelope.

Lens and Optical Configuration

The module supports 1/1.8-inch M12 and C/CS lens directions. Lens type and focus setting can be evaluated when the target distance, required FOV or optical installation space differs from the standard configuration.

Housing, Waterproofing and Microphone

The bare camera module is not waterproof. Waterproof or industrial housing can be evaluated when the camera operates in a protected enclosure requirement, while microphone integration is available as a customized option for devices requiring audio capture.

External Trigger and USB Integration

Rising-edge external trigger is supported as standard. Trigger timing, USB operating mode and MJPG/YUY2 selection should be evaluated together when the system needs synchronized capture at a defined resolution and frame rate.

Final configuration should be validated with the actual host platform, enclosure, optics, software, and lighting environment before sampling.

FAQ

When should SF8A169 be selected instead of a Global Shutter trigger camera?

Choose SF8A169 when high-resolution 4K image detail and controlled trigger timing are more important than freezing fast object motion. If the target moves significantly during exposure and geometric distortion is critical, a Global Shutter model is more appropriate.

Why does 4K output not mean every format runs at the same frame rate?

USB bandwidth and output format affect the available frame rate. At 3840×2160, the specification lists MJPG at 30fps while uncompressed YUY2 operates at a much lower frame rate. The output format should therefore be selected according to the host pipeline rather than resolution alone.

When should the 32×32mm version be considered instead of 38×38mm?

Consider the smaller PCB when the device has tighter internal mounting space. Connector access, mounting points, lens clearance and thermal conditions should still be checked before the mechanical design is finalized.

Can the waterproof housing be treated as part of the standard module?

No. The bare module itself is not waterproof. A waterproof housing is an additional configuration that should be evaluated according to the final device environment and enclosure requirements.

What should be considered before adding a microphone?

Microphone support requires customization. Internal space, audio requirements, cable routing and host-side audio integration should be defined before the camera assembly is confirmed.

Is this model suitable for synchronized multi-camera capture?

The hardware trigger can support controlled capture timing, but complete multi-camera synchronization depends on the external trigger controller, system timing architecture and required synchronization accuracy. Those conditions should be evaluated at the system level.

Evaluate This Module for Your Device

Provide the trigger timing, required 4K/MJPG or YUY2 mode, target movement condition, PCB size, lens requirement, housing option and USB host environment. SincereFirst can evaluate the appropriate SF8A169 configuration before sampling.