Camera Lens Filters 49mm 8-piece set. Kenko. Color. PL. UV etc.

49mm filters that were attached to Pentax camera lenses. Mainly Kenko and Pentax brands. Types include color, UV, PL, soft focus, etc. These are old items, so there may be some dirt. The plastic outer case has R 1, Y 2, etc. written on it in marker.