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-SAC1019iOS-PLUS-D3.9-105D V1.0
SINCEREFIRST
| This 3.9mm Type-C USB Separate Endoscope Camera Module with Support IOS System for Portable Inspection Terminals. When a compact inspection tool must connect to a portable Type-C host, the camera module needs more than a small probe: the connector, USB host role, operating system, power supply, and viewing software must work together. This 3.9mm OV9734 separate endoscope camera module combines a Type-C connector, USB2.0 UVC output, 720P@30fps imaging, and a 105° diagonal field of view for portable inspection terminal evaluation. The steel-shell probe is specified for IP67 protection and supports a 10-100mm focus range for close-range wide-view observation. The module can be evaluated for iOS-related devices and other Type-C hosts, but final compatibility must be verified with the exact phone or tablet model, connector, USB host capability, application software, power supply, and cable structure. Difference: Choose this model when your project needs a 3.9mm Type-C endoscope camera module for portable or iOS-related host evaluation. | ![]() |
1. Type-C Connector: Provides a practical connection direction for handheld and portable inspection terminals.
2. iOS-Related Evaluation: Supports project evaluation with iOS-related hosts, while keeping the final compatibility decision tied to the exact device and software environment.
3. 3.9mm Steel-Shell Probe: Helps the inspection head enter narrow channels while adding structural protection around the lens.
4. 105° Diagonal FOV: Helps handheld users scan a wider area during quick close-range inspection.
5. IP67 Probe Structure: Supports evaluation for portable tools used in humid, dusty, or splash-prone field environments.
6. Separate Design: Allows the small probe and processing board to be arranged around the handheld device structure.
Product Name | 3.9mm Diameter USB2.0 Endoscope Camera Module |
F.NO | 4.8 |
| Focus Length | 1.35mm |
| Resolution | 720P |
| Sensor Type | OV9734 |
| Function | Support UVC Protocol IOS |
FOV(D) | 105°*90°*60° |
Waterproof | IP67 |
Focusing Range | 10mm~100mm |
Diameter | 3.9mm |
| Distortion | <-6% |
Output | USB2.0 UVC |
Connector Type | Type-C |
Output Format | YUV/MJPEG |
Brand | Sincerefirst |
Thin Pipeline Endoscopy: Can observe internal defects and blockages of pipelines and cavities above 3.9mm by utilizing its ultra-small passable probe.
Portable Wide-Angle Inspection: Can be installed on handheld devices to complete large-range rapid on-site imaging with its wide-angle performance.
Embedded Wide-Angle Module: Can serve as a built-in wide-angle imaging unit for small equipment and instruments to realize integrated visual collection.
Close-Range Wide-Angle Monitoring: Can conduct blind-spot-free monitoring for narrow spaces and corners relying on its broad field of view.
Best Fit | Not Best Fit |
• Portable inspection tools using a Type-C host connection. | • Do not choose this model only because the page says iOS support; the exact host and software environment must be verified first. |
• Projects that need to evaluate an endoscope camera with an iOS-related phone or tablet. | • Choose the 6.0mm side-view model when the target is mainly on a pipe wall or cavity side. |
• Direct-view inspection in narrow spaces where a 3.9mm probe and 105° FOV are useful. | • Choose the standard 3.9mm waterproof USB model when Type-C / iOS integration is not required. |
• Handheld devices that need the probe and processing board to be installed separately. | • Choose the 7.0mm GC2755 model when 2MP detail and six integrated LEDs are more important than the smaller probe. |
1. Does iOS support mean the module works with every iPhone or iPad?
No. Compatibility depends on the exact device model, connector, USB host capability, operating system version, application software, power supply, and cable. Sample testing is required before the final design is confirmed.
2. What information should be verified before using this module in an iOS-related project?
Provide the phone or tablet model, connector type, OS version, intended app or software environment, USB host capability, cable length, power arrangement, and required video format.
3. How is this model different from the standard 3.9mm waterproof USB model?
This model is positioned for Type-C and iOS-related portable terminal evaluation and uses a 105° diagonal FOV. The standard 3.9mm waterproof model is positioned mainly for IP67 narrow-cavity inspection with a conventional USB host.
4. Can the Type-C connector also be evaluated with Android or Windows devices?
It can be evaluated with other Type-C hosts, but compatibility should be confirmed with the exact host hardware, USB role, operating system, software, power supply, and cable.
5. Does IP67 apply to the complete handheld device?
No. IP67 refers to the probe structure specified for this module. The complete device protection level depends on the cable entry, connector, housing, sealing process, and final assembly.
Sample Evaluation Information
For Type-C or iOS-related inspection device projects, please share the exact host device, connector type, operating system, application software, USB host capability, cable length, probe diameter, working distance, waterproof requirement, and final device structure for compatibility evaluation.