226° Miniature Fisheye M12 Lens for 1/2.5" S-Mount Cameras
226°@3.9mm Fisheye M12 Lens
In stock — orders before 12 PM PST ship same day
Lens Features
Miniature Size
The 20mm TTL is great for doorbell cameras and aerial robotics cameras.
226° FoV
Create a compact camera with an amazingly large fisheye field of view.
Optical and Mechanical Specification Table
| Lens Parameter | Performance Detail |
|---|---|
| Part Number | CIL212 |
| EFL | 1.1 |
| F# | 2.2 |
| Resolution | 8MP, 1.55µm pixel pitch |
| Field of View | 226° — Calculate FoV for your sensor |
| Image Circle | 3.9mm |
| Distortion | -10% F-Θ |
| Weight | 6.0g |
| IR Cut-Off Filter | 660nm |
| Construction | Hybrid Glass/Plastic with Al6061 barrel |
Mechanical Variants
| Variant | Description |
|---|---|
| M12A | No Ingress Protection, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel |
Mechanical Layout
Camera Mechanical Compatibility Table*
| Camera/Mount | Compatibility |
|---|---|
| Commonlands CLA018 | CLA018 |
| e-con Systems S-Mount | 7mm-9mm tall holder |
| Allied Vision Alvium S-Mount | Yes |
| FLIR Blackfly S Board | No |
| iDS uEye LE | Rev1.1: No, Rev1.2: No |
| The Imaging Source M12 | Rev1.1: No, Rev1.2: PN must end in C-No |
| Basler Dart S-Mount | Please submit inquiry to Basler |
*Mechanical compatibility only, assuming the standard M12x0.5 lens mount provided by the camera manufacturer. Please check optical compatibility separately.
Frequently asked questions
What sensors does the CIL212 support?
The CIL212 supports 1/2.5″ sensors including the AR0521 and IMX335, and it resolves 8MP at 1.55μm pixel pitch.
What is the CIL212 image circle and field of view?
The CIL212 covers a 3.9mm image circle at a 226-degree field of view. It is the widest lens in the compact Commonlands miniature fisheye range.
Where can I find the CIL212 mechanical drawing and distortion data?
Full optical, F-Θ, and TV distortion data are available in the mechanical drawing on DocSend at mechanical drawing Contact us if you also need STP files.
Is the CIL212 M12A variant weatherproof?
No. The M12A variant has no ingress protection rating, so the enclosure or housing has to provide that protection.
Does the CIL212 ship same day from the US?
Yes. Orders placed before 12 PM PST ship same day from our San Diego warehouse. Contact us if you want to confirm current stock.
What camera boards are compatible with the CIL212?
Allied Vision Alvium S-mount is directly compatible. e-con Systems S-mount boards work with a 7-9mm tall holder, The Imaging Source Rev1.2 is compatible with part numbers ending in C-No, and iDS uEye LE plus FLIR Blackfly S board are not compatible.
Similar Fisheye
About Commonlands
Commonlands LLC designs and manufactures precision M12, C-mount, and M8 lenses for machine vision, robotics, and embedded camera systems. Based in San Diego, California, we stock inventory for same-day shipping and provide direct access to US-based optical engineers. Whether you need a single prototype lens or production volumes of 25,000+, our team supports the full lifecycle from optical design consultation through volume fulfillment.
Need help selecting the right lens for your camera module?
Contact our US-based Optical Engineers.