Quick AnswerThe right endoscope camera diameter is the smallest size that can still meet the project's imaging, illumination, mechanical protection and integration requirements. A smaller camera head can enter tighter spaces, but it normally leaves less room for the sensor package, lens, LEDs, shell
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SF-C1019USB-D3.9-PLUS
SINCEREFIRST
This 3.9mm 720P Waterproof USB2.0 Separate Endoscope Camera Module for Narrow-Cavity Inspection. When an inspection probe must enter narrow, humid, dusty, or splash-prone spaces, the front-end diameter and protective structure matter as much as image output. This 3.9mm OV9734 endoscope camera module combines an IP67 steel-shell probe, 720P@30fps imaging, USB2.0 UVC output, and a 95° diagonal field of view for close-range inspection device development. Its separate camera-head and processing-board structure gives OEM teams more flexibility when arranging the probe, cable, and host-side electronics. Optional four 0402 LEDs with a manual dimming button can be evaluated for dark-cavity inspection, while the 10-100mm focus range supports close- to medium-range observation. Difference:Choose this model when your device needs a 3.9mm IP67 steel-shell probe for direct-view inspection in narrow, humid, or dark spaces. | ![]() |
1. 3.9mm Steel-Shell Probe: Helps the camera enter narrow cavities while adding mechanical protection around the lens head
2.IP67 Protection: Supports evaluation for humid, dusty, or splash-prone inspection environments. Final device-level sealing should still be verified after cable and connector integration.
3. 95° Diagonal FOV: Captures more surrounding context in a narrow cavity and can reduce repeated probe repositioning.
4. Optional Adjustable LEDs: Allows lighting to be matched to dark internal spaces instead of relying only on external illumination.
5. USB2.0 UVC Output: Helps simplify host-side image testing and reduces the need for proprietary driver development during sample evaluation.
6. Separate Structure: Gives more flexibility when the probe and processing board must be installed in different parts of the final device.
Product Name | 1M Borescope Camera Module |
Image Sensor | OV9734 |
Pixel | 1MP |
Led | 0402 Led |
DSP | USB2.0 UVC |
Focal Length | 1.08mm |
Focusing Range | 10-100m |
Diameter | 3.9mm |
FOV(D*H*V) | 95°*85°*43.5° |
TV Distortion | <-10% |
1. Narrow cavity inspection: The 3.9mm steel-shell probe can enter compact mechanical spaces that larger camera heads may not fit.
2. Humid field inspection: The IP67 probe structure supports evaluation for splash-prone, dusty, or damp environments.
3. Dark internal structure checking: Optional adjustable LEDs help maintain close-range visibility where external light is limited.
4. Compact equipment maintenance: USB2.0 UVC output and the separate structure support host-side testing and flexible installation in maintenance tools.
FAQ◢
1. Is this model suitable for humid or splash-prone inspection environments?
The steel-shell probe is specified for IP67 protection and can be evaluated for humid, dusty, or splash-prone inspection tools. The final device should still be checked after the cable, connector, and housing are assembled.
2. Are the four LEDs and dimming button included in every standard sample?
The current product information lists four 0402 LEDs and a manual dimming button as optional. Confirm the required lighting configuration when requesting a sample or quotation.
3. What working distance is covered by the 10-100mm focus range?
The optical configuration is intended for close- to medium-range observation between approximately 10mm and 100mm. Your target distance should be provided before sample evaluation.
4. Does USB2.0 UVC mean the module works with every host device?
UVC supports driver-reduced host-side testing, but final compatibility still depends on the host USB mode, operating system, application software, power supply, and cable design.
5. Can this module be evaluated for medical endoscope device development?
Yes. Its small steel-shell probe and close-range imaging can be evaluated for medical endoscope device development or medical imaging evaluation. Final device compliance, cleaning, sealing, and sterilization requirements must be verified at the system level.
Sample Evaluation Information
To evaluate this 3.9mm waterproof module for your inspection device, please share the required probe diameter, viewing distance, FOV, cable length, host system, LED requirement, waterproof environment, and final device structure.