Do you work in an environment where it causes your lens fog up frequently ? When you perspire , does your lenses fog up and interfere with your activity ?
Fret not ! Now we have Fog Defender . It’s a liquid base lens cleaner with anti fog formula. Just spray and wipe it with a lens cloth and lens will not fog up for a few days. It works on all lenses.
You don’t have to purchase an “Optifog” lens with an “activator” to get anti fog properties on your lenses because the Fog Defender works on all lenses !