Canon 1362C002 28 mm - f/3.5 - Fixed Focal Length Lens for EF-M | Exxact
C Mount 6mm1/1.8" FA lens High performace 5MP camera lens fixed focal length lenses for Machine Vision and Industrial Inspection|Camera Lens| - AliExpress
100mm C Series Fixed Focal Length Lens | Edmund Optics
HD 20MP FA LENS 12 50mm C Mount Industrial Camera Machine Vision Fixed Focal Length Lenses F2.8 Aperture 4/3" Manual Iris Lens| | - AliExpress
6mm C Series Fixed Focal Length Lens | Edmund Optics
Fujinon TF15DA-8 15mm C-Mount Lens TF15DA-8 B&H Photo Video
Digital Photography Terms | Fixed Focal Length
Choosing a Fixed Focal Length Lenses for Your Camera