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
12mm 4/3" 10M Fixed Focal Length Lens | GAOPTICS
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