The material of nylon lens is mainly transparent polyamide. Because of its filtering function, only the light in a specific direction is allowed to pass through the lens, which can well filter the dazzling light of sunlight on water, land or snow, not only make the landscape soft, clear and natural, but also protect the eyes to a certain extent.

Advantages and disadvantages of nylon lenses;

Advantages:

1, good toughness, high tensile and compressive strength, unbreakable and completely durable.

2, heat resistance, not because the outdoor temperature is too high, so that the lens has a qualitative change, affecting the landscape viewing effect.

Disadvantages:

1, poor light resistance, long-term wear in high temperature and strong light environment may lead to lens oxidation and lens damage.

2, not resistant to scratching.

Precautions for wearing lenses:

1, avoid wearing it for a long time, and need proper rest to relieve fatigue.

2, dark gray or brown or brown lenses, the best color sense, more natural landscape.

3, the lens should avoid contact with some chemicals, such as perfume pesticides, etc., which will damage the lens.

4. Observe the red, yellow, green and yellow objects before wearing to ensure a good effect of identifying traffic lights.

5. If you feel dizzy and uncomfortable, it proves that the selected lens is not suitable.