

10–50mm C-Mount 8MP industrial zoom lens for 1/1.8″ sensors, featuring F2.0–16 aperture, 39.5°–8° horizontal FOV and manual zoom, focus and iris control.
C105011820M8 is 1/1.8″ 10 – 50mm C-Mount CCTV lens, 8-megapixel high resolution, low distortion lens, telephoto zoom, with manual iris (F2.0-16).
| IMAGE FORMAT | 1/1.8″ |
| FOCAL LENGTH | 10-50mm |
| F.O.V. | 39.5°~8° (H) |
| 30°~6° (V) | |
| RESOLUTION | 8 MegaPixel |
| DISTORTION | -1.5%~0.1% |
| APERTURE | F2.0~16 |
| MOUNT | C |
| IRIS | Manual |
| FOCUS | Manual |
| ZOOM | Manual |
| M.O.D. | 0.5m |
This 10–50mm C-Mount industrial zoom lens is designed for 1/1.8″ sensors and 8MP cameras requiring flexible field-of-view adjustment. With a 39.5° to 8° horizontal FOV, F2.0–16 aperture and manual zoom, focus and iris control, it provides versatile optical coverage for machine vision, factory automation and industrial imaging systems.
For more information about matching sensor size and optical specifications, refer to the Sensor Guide and Lens Selection Guide.
The wide focal-length range allows one lens to cover multiple inspection configurations without replacing the optical assembly. From a broader 39.5° horizontal view at 10mm to a concentrated 8° view at 50mm, this C-Mount zoom lens can adapt to different target sizes, camera positions and inspection requirements.
This 10–50mm industrial zoom lens is designed for machine vision systems where the required field of view may change between different inspection stations or during system commissioning. Instead of being restricted to a single focal length, the manual zoom mechanism allows engineers to adjust the image coverage according to the target size and camera installation position.
At the 10mm setting, the lens provides a 39.5° horizontal FOV and 30° vertical FOV, making it suitable for relatively broad inspection zones, production-line monitoring and larger components. When adjusted toward 50mm, the FOV narrows to 8° horizontally and 6° vertically, allowing the camera to concentrate on smaller targets or specific areas of a larger production environment.
The 8MP resolution makes the lens appropriate for detailed image acquisition, while the F2.0–16 manual aperture allows the optical system to be tuned according to lighting conditions and depth-of-field requirements. The 0.5m minimum object distance also supports inspection configurations where the camera needs to work relatively close to the target.
This flexibility is particularly useful during machine vision system development, where the exact working distance or target framing may change during optical integration. Engineers can use the FOV Calculator to estimate image coverage at different focal lengths before finalizing the installation.
Designed for flexible factory automation, multi-distance inspection and adjustable-field industrial imaging applications.
For machine vision system integration, explore Machine Vision Solutions. If your application requires a customized focal range, mechanical configuration or optical performance specification, contact Towin Lens for technical assistance.
Q: What sensor size is this 10–50mm C-Mount zoom lens designed for?
A: This lens is designed for 1/1.8″ image sensors and supports an 8MP resolution according to the supplied specifications.
Q: What is the focal length range of this lens?
A: The lens provides a 10–50mm manual zoom range, allowing users to adjust the field of view according to the target and camera installation distance.
Q: What is the field of view at 10mm and 50mm?
A: The horizontal FOV ranges from 39.5° at 10mm to 8° at 50mm, while the vertical FOV ranges from 30° to 6°.
Q: Is this lens a fixed focal lens?
A: No. This is a manual zoom lens with a variable focal length from 10mm to 50mm.
Q: What is the aperture range of this industrial zoom lens?
A: The lens has a manual F2.0–16 aperture range, allowing adjustment for different illumination levels and depth-of-field requirements.
Q: What is the minimum object distance?
A: The specified M.O.D. is 0.5m, making the lens suitable for relatively close industrial imaging and inspection configurations.
Q: Can this lens be used for machine vision applications?
A: Yes. The combination of 8MP resolution, 1/1.8″ sensor coverage, manual zoom and C-Mount compatibility makes it suitable for various machine vision and factory automation systems.
Q: Why use a manual zoom lens instead of a fixed focal length lens?
A: A manual zoom lens provides greater flexibility during system installation and commissioning. Engineers can adjust the focal length to achieve the required image coverage without replacing the lens.
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