

50mm C-Mount machine vision lens for 2/3″ 5MP sensors, featuring F1.4 aperture, low distortion below -0.7%, and manual focus and iris for precision industrial imaging.
C5023014M5 is Industrial lens 2/3″ 50mm C-mount FA lens, low-distortion lens, manual iris and focus, F1.4~C, high resolution 5-Megapixel.
| IMAGE FORMAT | 2/3″ |
| FOCAL LENGTH | 50mm |
| F.O.V. | 13°(D) |
| 10.5°(H) | |
| 8°(V) | |
| RESOLUTION | 5 MP |
| APERTURE | F1.4~C |
| TV DISTORTION | <-0.7% |
| MOUNT | C-Mount |
| B.F.L. | 12.3mm |
| IRIS | Manual |
| FOCUS | Manual |
| ZOOM | Fixed |
| FILTER SCREW | M37XP0.5 |
For more information about choosing an appropriate sensor and lens combination, see the Sensor Guide and Lens Selection Guide.
This 50mm C-Mount machine vision lens is designed for 2/3″ sensors and 5MP industrial imaging applications requiring a narrow 13° diagonal FOV and low TV distortion below -0.7%. With a fast F1.4 aperture, manual iris and manual focus, it provides flexible optical control for factory inspection, measurement and other precision FA lens applications.
This lens belongs to the C-Mount Lenses range and is particularly suitable for applications requiring controlled framing and stable optical performance. Its fixed 50mm focal length also makes it easier to maintain a consistent imaging geometry between production stations.
The combination of a 50mm focal length, 13° diagonal FOV and low distortion makes this 50mm industrial lens suitable for applications where the camera needs to capture a relatively small inspection area from a controlled working distance. Rather than providing a wide scene view, the lens is better suited to targeted imaging of individual components, workpieces or inspection zones.
In factory automation, it can be integrated into machine vision systems for dimensional inspection, surface inspection, component verification and positioning tasks. The F1.4 aperture delivers excellent light-gathering performance under low illumination or for high-speed imaging system setups.
The low TV distortion specification is also valuable when straight edges, component dimensions or geometric relationships need to remain accurately represented in the captured image. For systems where focal length and field of view need to be calculated before installation, the FOV Calculator can help estimate the required imaging coverage.
Designed for precision factory automation, component inspection and controlled industrial imaging applications.
For custom optical requirements, mechanical integration or application-specific lens development, you can contact Towin Lens for further technical discussion.
Q: What sensor size is this 50mm C-Mount lens designed for?
A: This lens is designed for 2/3″ image sensors and supports a resolution of up to 5MP according to the supplied specifications.
Q: What is the field of view of this machine vision lens?
A: The FOV is 13° diagonal, 10.5° horizontal and 8° vertical. The relatively narrow field of view makes it suitable for targeted inspection rather than large-area imaging.
Q: Is the 50mm focal length fixed or adjustable?
A: It is a fixed focal length lens. The 50mm optical configuration provides consistent framing for fixed-position machine vision applications.
Q: What does the F1.4–C aperture specification mean?
A: The lens has a maximum aperture of F1.4 and a manually adjustable iris. The aperture can be stopped down according to the required depth of field and illumination conditions.
Q: Is this lens suitable for precision machine vision inspection?
A: Yes. Its 5MP resolution support, 50mm focal length and TV distortion below -0.7% make it suitable for various targeted industrial inspection and factory automation applications.
Q: Does this lens have autofocus?
A: No. Both the focus and iris are manual, allowing the machine vision integrator to configure the optical system according to a fixed working distance and lighting environment.
Q: What type of camera mount does this lens use?
A: The lens uses a standard C-Mount interface and is intended for compatible industrial cameras.
Q: What filter size is supported?
A: The front filter thread is M37 × P0.5, allowing compatible filters to be mounted when required by the imaging system.
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