Shel Belinkoff wrote:
{snip}
> Are new coatings strong enough to withstand lots of cleaning?
> Some demonstrations that have been reported seem to indicate
> that such is the case, but do you want to underwrite the cost
> of that experiment long term?
> Does your lens even have a newer coating?
{snip}A few years back I bought some plain glass filters, for no other reason than to protect the lenses from accidental damage. Malcolm
