How to Choose the Right Endoscope Camera Module for You—Taking the 95° Wide-Angle OH01A10 Module as an Example

How to Choose the Right Endoscope Camera Module for You—Taking the 95° Wide-Angle OH01A10 Module as an Example

I. Product Positioning and Core Value

The core value of this endoscope camera module lies in achieving 95° wide-angle imaging and a practical 10-100mm focusing range within an ultra-compact 3.3mm diameter. It resolves the conflict between “requiring a large field of view” and “installation size constraints” in confined spaces, specifically designed for professional scenarios with stringent demands on both space and visibility.

II. Key Parameter Selection Analysis

1. Optical Parameter Matching

The 95° field of view falls within the wide-angle category, covering approximately 33mm width at a 10mm working distance—ideal for cavity inspections. The F4 aperture strikes a balanced compromise between depth-of-field control and aberration reduction. Combined with the 10-100mm focus range, it accommodates both detailed observation and mid-range scanning needs.

Selection Recommendations:

Suitable Scenarios: Pipeline inspection requiring broad coverage, minimally invasive surgical observation

Not Suitable For: Extreme low-light environments requiring apertures below F2.0, or scenarios demanding ultra-wide angles exceeding 120°

2. Structure and Integration Features

Module diameter: 3.3mm, suitable for integration into working channels with diameters of 3.5mm or larger. Optional triple LED illumination (4 x 0201-sized LEDs per group) provides flexible lighting solutions. Built-in DSP simplifies system integration.

Selection Recommendations:

Suitable for: Medical devices, industrial endoscopes, and other applications requiring compact integration

Note: Custom smaller sizes are required if the working channel diameter is less than 3mm

3. Sensor Characteristics

The OH01A10 sensor is optimized for endoscopic applications, featuring excellent low-light sensitivity and low noise characteristics, making it suitable for applications with professional image quality requirements.

III. Evaluation of Typical Application Scenarios

1. Medical Endoscopic Equipment

Match: High

Advantages: 95° field of view enables comprehensive cavity observation; 10mm close-focus capability supports detailed inspection; optional LED configurations adapt to diverse tissue characteristics

Recommendation: For medical applications, select the full triple-group LED configuration to ensure optimal illumination across various tissue environments

2. Industrial Pipeline Inspection

Match: High

Advantages: 100mm focus range accommodates varying pipe diameters; compact size suits small inspection probes; F4 aperture provides sufficient depth of field

Note: LED layout and brightness may require adjustment for oily or highly reflective surfaces

3. Scientific Research & Micro-Robotics

Match: Moderate-High

Advantages: Wide focus range suits dynamic environments; lightweight design aids payload control; standard interfaces facilitate integration

Recommendation: Pair with external control circuitry for real-time LED brightness adjustment

IV. Selection Decision Process

First confirm whether the application involves endoscopy or confined spaces. If not, consider alternative camera modules.

Measure working channel diameter:

If diameter ≥ 3.5mm, this module can be used directly

If diameter < 3.5mm but ≥ 3.0mm, a custom housing may be required

If diameter < 3.0mm, select a smaller module

Assess field of view requirements:

If approximately 95° FOV is needed, this module is suitable

If only 70-90° FOV is required, more economical alternatives may exist

If >120° FOV is needed, select a fisheye lens module

Determine working distance:

Optimal performance occurs within 10-50mm range

If frequent observation at 50-100mm distances is required, some image detail loss may occur

If distances exceed 100mm, the telephoto version is recommended

Assess lighting requirements:

If ambient lighting is sufficient, the basic LED configuration is adequate

If the environment is dim, the full triple-LED configuration is recommended

If inspecting highly reflective surfaces, a customized lighting solution may be necessary

Consider integration complexity:

For rapid integration, this module's built-in DSP design reduces development complexity.

For deep customization of image processing, consider the raw data version.

V. Common Selection Pitfalls

Pitfall 1: Blind pursuit of wide fields of view

A 95° field of view is already expansive. Larger fields increase edge distortion. In practice, 70-95° fields satisfy most endoscopic needs.

Misconception 2: Neglecting Lighting Configuration

70% of endoscopic imaging quality depends on lighting effects. We recommend testing different LED configurations in actual operating environments to select the optimal solution.

Misconception 3: Overemphasizing Resolution

In endoscopic applications, field of view, depth of field, and low-light performance often outweigh absolute resolution. The OH01A10's pixel configuration is already optimized for endoscopic scenarios.

VI. Cost-Benefit Analysis

Direct Cost: The module itself is moderately priced, yet offers high value considering its professional performance.

Integration Cost: Standard interfaces and built-in DSP design reduce system integration complexity and expenses.

Operating Cost: Optional LED configurations allow selection based on actual needs, avoiding waste from over-specification.

Maintenance Costs: Modular design facilitates servicing and replacement, lowering long-term operational expenses.

VII. Final Recommendations

This module is ideal if you require: Wide-field observation at 10-100mm distances within channels exceeding 3.5mm diameter, coupled with professional-grade image quality.

If your primary need is: Ultra-close-up (＜10mm) detail inspection, we recommend the specially optimized macro version.

If your working environment: involves extreme darkness without sufficient additional lighting, a module with a larger aperture may be necessary.

Before integration, ensure: you obtain samples for real-world testing, particularly to verify illumination performance.

This module represents the current practical balance point in endoscopic imaging technology—delivering an excellent field of view and imaging quality within a compact footprint. Proper selection requires basing decisions on specific parameters of the actual application scenario, rather than solely pursuing the extreme of any single metric.