Clear lens – Filter category 0
The lens is completely clear in filter category 0, which is good for the evening or in low light conditions. A category 0 lens allows between 80-100% of visible light through and is optimal in poor weather conditions.
Pink lens - Filter category 1
A pink lens in filter category 1 that is good at enhancing contrasts in low light conditions. A category 1 lens allows between 43-80% of visible light through and is optimal in poor weather conditions.
