There are many kinds of helmet lenses, mainly including colored lenses, colored lenses, polarized lenses, anti-reflective protective lenses and color-changing lenses.

    The types of helmet lenses are described below：

    The lenses are coated with a thin layer of magnesium fluoride to prevent glare from reflecting, allowing you to see more clearly and without interference.

    Tinted lenses are also known as "tinted lenses", which are made by adding chemicals to the lens to give it a tint that absorbs light at a particular wavelength.This is the most common type of lens used in sunglasses.

    Polarizing lens in order to filter the sun on the water, land or snow on the equal direction of the dazzling light, in the lens to add a vertical special paint, known as polarizing lens.

    Color-changing lenses are also known as photosensitive lenses.Because the chemical substance that adds halide silver on lens, let originally transparent colorless lens, meet strong light illuminate, can become coloured lens, will do protective, it is to suit indoor outdoor to use at the same time so.

    Coloring lens this kind of lens presents the same effect as the color lens, but it is made in a different way. It paints the color on the surface of the lens.

    Helmet-lens protection is available in black.Black helmet lenses are filters and are a cheaper accessory that can significantly change the look of a photo.

    Helmet lenses the black helmet lenses do the following：

    Prevent glare and reduce eye fatigue, improve resolution, and provide some insulation.

    It is recommended to have a good polarization filter, which can be used in both color and black and white photography. It is absolutely proud to have a high quality polarization filter, which is absolutely not a filter.

    The foam cushion material of helmet, some density is very low, even cannot compare with the foam cushion layer that installs home appliance to use, dig to break easily -- unqualified.

    Some of the lining material is very uncomfortable to touch, please pay attention to the choice.

    Be careful to make helmets from recycled materials in small factories. Helmets will break when you drop them lightly, and when the sun shines, they will smell and soften, and may contain some toxic and harmful substances in the garbage during recycling.Because this kind of helmet is extremely cheap, many people buy it. For the sake of safety, please don't be cheap.