infrared Block ar coating
Other the ar that can cut hev blue light anche ar that can block the back uv reflection now we have ar that can block some IR light for an healty eyes in clear lenses.
Anyone use them? do you like them?
Other the ar that can cut hev blue light anche ar that can block the back uv reflection now we have ar that can block some IR light for an healty eyes in clear lenses.
Anyone use them? do you like them?