4mm S-Mount (B5M4018C)
4mm S-Mount (B5M4018C) is a s-mount lens for Balluff BVS machine-vision cameras. Key specs: 4 mm focal length, f/1.8, 7.3 mm image circle. The selector matches it to a camera by sensor format and working distance.
| Focal length | 4 mm |
|---|---|
| Mount | s-mount |
| Min object distance | 200 mm |
| f-number | 1.8 |
| Image circle | 7.3 mm |