you are viewing a single comment's thread
view the rest of the comments
[–] 9 points 10 months ago (3 children)

A very salty spray would be effective. The spray itself would obscure the lens until it is cleaned and cleaning it would be a pain in the ass to do without damaging the lens.

  • source
  • parent
  • hideshow 3 child comments
  • [–] 2 points 10 months ago (2 children)

    I imagine a sufficiently strong acid could discolor it pretty quickly.

  • source
  • parent
  • hideshow 2 child comments