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-C0310USB-D3.9-L20 V1.0
SINCEREFIRST
This 3.9mm VGA Type-C Endoscope Camera Module for Compact Inspection Tools, When your inspection tool must enter a narrow passage, the first selection questions are probe size, working distance, lighting, and host connection. The SF-C0310USB-D3.9-L20 V1.0 combines a 3.9mm camera head, VGA 640×480 video at 30fps, a 20–60mm focus range, and four front LEDs for close-range observation in enclosed spaces. This model is positioned for compact Type-C inspection tools where VGA live preview is sufficient. For projects that require finer surface detail, larger display output, or 720P recording, evaluate a higher-resolution model instead. Difference: Choose this model when a 3.9mm probe and VGA@30fps Type-C preview are sufficient for compact, close-range inspection. | ![]() |
1. 3.9mm Diameter: Helps the probe enter compact passages, narrow tubes, and equipment gaps where larger camera heads cannot fit.
2. VGA 640×480 at 30fps: Supports basic live preview for navigation and routine visual checking without positioning the product as a high-detail 720P model.
3. 20–60mm Focus Range: Provides a clear selection reference for close-range targets inside pipes, housings, and mechanical cavities.
4. Four Front LEDs: Adds local illumination when the camera head enters an enclosed area where external light is limited.
5. Type-C Connection: Supports evaluation for portable inspection terminals; final host compatibility must be verified with the operating system, USB Host capability, software, and power design.
6. Fixed Optical Setup: Reduces the need for focus adjustment during routine close-range observation once the working distance is matched.
Product Name | Type C Endoscope Camera Module |
Features | 3.9mm Endoscope Camera Module |
Interface | Type C |
Sensor | VGA |
Focusing Range | 20mm-60mm |
Led | 4pcs |
Focal Length | 1.72mm |
TV Distortion | <-5% |
F Number | 3 |
Fov(D) | 90° |
1. Compact Plumbing Inspection Tool: The 3.9mm camera head and front LEDs support close-range viewing inside narrow household or equipment pipes.
2. Automotive Service Camera: VGA@30fps preview helps with routine observation of engine gaps, ducts, and enclosed vehicle structures.
3. Equipment Cavity Maintenance: The 20–60mm focus range supports checking nearby internal surfaces during slow probe movement.
4. Electronics and Assembly Inspection: The compact head can be evaluated for observing connectors, cable routing, and component gaps inside small housings.
FAQ◢
1. Is VGA 640×480 sufficient for an inspection device?
It is suitable for basic live preview, navigation, and routine close-range observation. Select a 720P or higher-resolution model when the project requires finer surface detail, larger display output, or image analysis.
2. Does the Type-C connector mean the module works with every phone or tablet?
No. Final compatibility depends on USB Host or OTG capability, the output protocol, power supply, operating system, application software, connector wiring, and cable design. Please provide the target host device before sample evaluation.
3. What target distance is suitable for this module?
The current page lists a 20–60mm focus range. The camera-to-target distance in the final device should be checked against this range during sample testing.
4. Are UVC and IP67 standard features of this model?
The two existing website pages are inconsistent on these points. UVC output and IP67 protection should not be treated as confirmed standard features until the approved specification and final camera-head structure are checked.
To evaluate this module for your inspection device, please share the required probe diameter, camera-to-target distance, host device, USB connector, software environment, cable length, LED control requirement, waterproof requirement, and final device structure.