558 Foresight anti-glare tube

558 Foresight anti-glare tube
  • Push-fits to earlier irises without internal threading (1)
  • Screws internally to M.18 items (2) but needs 5018 collar for our M.18 foresight irises (3)
  • Screws internally to our M.18 and M.22 foresight lenses