Second hand BDB 23mm 21mm push on filter holder Filter for sale
Used BDB 23mm push on fitting metal mount (satin chrome brass I think) with 21mm diameter filter holder. The retaining ring is black to minimise reflections. Use this to attach 21mm diameter glass or resin filters to a camera with a 23mm push on lens ring
Condition:
good with original box The photograph above is the actual pre-owned BDB 23mm 21mm push on filter holder on offer for sale.