
- Rosepetal compatible
- Recommended by AIS Vision

Lens C11-1220-12M f12mm
The Basler C11-1220-12M is a Premium fixed focal length C-mount lens with a nominal focal length of 12.39 mm, designed for machine vision sensors up to 1.1" (17.6 mm image circle) with pixel pitches of 3.57 µm or larger (12 MP). It provides an aperture range of F2.0 to F16 with manual iris and focus, achieving 140 LP/mm center resolution and optimal performance at F2.3 and 0.4 m working distance. Optical distortion is typically -3.10% and relative illumination at full aperture is 58%; the focus range extends from 100 mm to infinity.
| Focal length | 12 mm |
|---|---|
| Lens mount | C-mount |
| Aperture (f-number) | F2.0–F16 |
| Image circle / max sensor | 17.6 mm (1.1") |
| Optical resolution | 12 MP |
| Working distance | 100 mm – ∞ |
| Operating temperature | -20 to 60 °C |
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| Weight | 211.2 g |
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