Classification and purchase advice and maintenance of ski goggles

Ski goggles will provide basic protection (wind, cold air) and protect the eyes from UV rays. After all, under the sunlight, snow will reflect more UV rays into people's eyes and cause damage to the eyes, so Be sure to wear Ski goggles when skiing.

Here is the content list:

• Classification of ski goggle lenses

• Ski goggles buying advice

• Use and maintenance of ski goggles

Classification of ski goggle lenses

The classification of Ski goggles lenses includes cylindrical mirrors, spherical mirrors, and toric mirrors.

Spherical mirror: A mirror whose reflecting surface is part of a spherical surface is called a spherical mirror. It is conceivable to cut a glass sphere from any plane, and the remaining part is a spherical mirror, which has a plane and a curved surface. Spherical mirrors have curved surfaces horizontally and vertically.

Cylindrical lenses are aspherical lenses. Imagine cutting a cylinder with a plane parallel to the axis of rotation, and you get a lens that is flat on one side and curved on the other. Compared with spherical mirrors, cylindrical mirrors have radians on the horizontal axis, but no radians on the vertical axis.

The toric lens combines the effects of a cylindrical lens and an ordinary spherical lens. It has both the characteristics of a spherical mirror and a cylindrical mirror. Compared with the cylindrical lens, the longitudinal axis will have some radians, but compared with the spherical mirror, the radian will be less. and the cylindrical mirror.

Ski goggles buying advice

1. From an aesthetic point of view, you should more or less consider matching the color of your favorite ski suits and Ski goggles.

   
   

2. Quality comes first. In any case, skiing is a dangerous sport. You must choose the best one within the price range you can afford.

   
   

3. Although Ski goggles are a small part of ski equipment, they also need to be fully equipped. You can carry a small cloth bag for wiping snow goggles with you.

Use and maintenance of ski goggles

Ski goggles are delicate equipment. If you want to use them for a few more years, you must use and maintain them well. Try not to touch the mirror surface with your hands, and be careful not to scratch the mirror surface with sharp objects (be careful not to put it with mobile phones, keys, etc. to avoid scratching the mirror surface), and keep the mirror surface clean and free of stains at all times. Observe the glasses before and after each use, and if there is dust, use a silk or glasses cloth to remove it.

If there are stains, you can use the lens cleaning paper used by professional cameras, and gently draw circles around the stains until they are removed. If you must use a water-based detergent, be sure to choose a neutral one. Do not immerse the glasses in water or rinse them with water, as they dry slowly and are more likely to get dusty or leave traces of impurities after the water evaporates.

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