Serial No. 8165094. The focusing is manual only. The focusing ring moves smoothly. These marks do not affect putting filters on the lens. This lens is the manual & auto aperture setting type. As far as the physical conditions go,this lens is in used but reasonable condition.
![[Near MINT] PENTAX SMC Pentax-DA* 16-50mm F2.8 ED AL IF SDM Lens JAPAN #3019633](https://images.buynet.work/thumb.php?i=401255221&s=240)