Questions not related to Contax lenses

  • Can I modify a Sigma SA mount lens to Canon EF mount so that I can use it on my Canon camera?
  • Can I modify a Sigma SA mount camera to directly accept Canon EF mount lenses?
  • Can I modify my Canon EF mount lens to Sigma SA mount so that I can use it on my Sigma camera?
  • Is there an adapter so that I don't need to modify anything?
  • Still need help?