... -mount lens Manual Iris Focal length:4, 6, 8,12,16,25,35,50,75mm 4mm ~ 75mm C mount Machine Vision LensWe ... supply 4mm to 75mm focal length machine vision lens,type is C mount, manual iris,mainly used for industrial production quality inspection ... .5M30.5x0.5M30.5x0.5M34x0.5Weight130g100g107g85g80g60g90g80g140g 4 ~ 50mm C mount,Manual Iris Machine Vision Lens