What is an Inner Wall Inspection Lens?
An inner wall inspection lens is a specialized optical component designed for viewing and capturing images inside narrow spaces, tubes, holes, and complex structures. Its unique optical design allows users to observe areas that are difficult to access with conventional imaging lenses.
How Does an Inner Wall Inspection Lens Work?
The lens uses a compact optical structure to redirect and capture light from internal surfaces. This allows clear visualization of side walls, internal edges, and hidden areas while maintaining image quality and observation efficiency.
Picture of Inner Wall Inspection Lens
Specificaitons of Inner Wall Inspection Lens
| Effective Focal Length | -2.212 mm |
| Working F-number | F/2.8 |
| Image-side NA | 0.179 |
| Maximum Full Field of View | Approx. 78° |
| Design Wavelength | 486/588/656 nm |
| Entrance Pupil Diameter | 0.81 mm |
| Paraxial Magnification | -0.0538X |
| Front End Outer Diameter | 8.4 mm |
| Mid-Section Outer Diameter | 9.4 mm |
| Maximum Outer Diameter | 13 mm |
| Total Lens Length: Approx | 41 mm |
| Recommended Inner Diameter for Inspection | Φ10mm or larger |
Video of Inner Wall Inspection Lens
Product Features
- Small-diameter insertion design, suitable for deep holes and narrow internal cavities;
- Large F/2.8 aperture, suitable for low-light environments;
- Wide-angle field of view of approximately 78°, covering a large area in asingle scan;
- Optimized for multiple visible light wavelengths, compatible with white LED lighting and industrial
- Cameras;
- Supports fixed, rotational, axial, and helical scanning inspection
This lens is applicable to a wide range of fields, including
- Hydraulic valve bores, bushings, cylinder blocks, and deep-bore components;
- Automotive fuel injectors, brake lines, and valve bodies;
- Stainless steel tubes, copper tubes, and fluid passages;
- Semiconductor vacuum lines, ceramic cavity, and precision packages;
- Battery housings, cooling channels, and motor water-cooling channels;
- Medical catheters, syringe barrels, and precision plastic interiors.
- Capable of detecting defects such as scratches, cracks, burrs, pits, foreign objects, contamination, corrosion, and machining marks
Advantages of Our Inspection Lens Solutions
- Flexible optical design
- Customized dimensions and structures
- High quality optical processing
- Reliable imaging performance
- OEM manufacturing capability
People Also Ask (FAQs)
Can the inspection lens be customized?
Yes. Optical structure, size, viewing angle, and mechanical design can be customized according to customer requirements.
