1. The difference between myopia swimming coating and non -coating

1. From the perspective of appearance, there is a layer of colorful and six -color film on the outside of the coating swimming mirror. Like wearing Sunglasses, others cannot see your eyes, and not coating myopia swimming mirrors are transparent.

2. Iopathy swimming mirror coating can effectively avoid strong sunlight and ultraviolet light. It is especially suitable for Outdoor use. However, if the myopia swimming mirror does not coil, there is no sunscreen isolation effect, which is more suitable for indoor water.

3. Aopia swimming mirror cover can reduce the refraction light of the surface layer of the optical lens, reduce the glory of mirror glass, and see more clearly in the water than the unplastic myopia swimming mirror.

two,The myopia swimage coating is better or not coated

I am myopia swimming goggles have a lot of knowledge. What myopia swimming mirror is still depends on personal needs.If it is used in the indoor constant temperature swimming pool, non -coating myopia goggles are enough.The coated myopia goggles are more suitable for wearing outdoors. It can larger the ultraviolet rays, and it looks cooler and professional on the surface.

Third, why myopia swimming mirror is coated

The light transmission rate of the lens itself is only about 91%, and some light will be reflected by two surfaces of the lens.The coating lens is a new technology that uses optical film and vacuum to put a certain thickness single -layer or multi -layer optical film to enable the lens to obtain some new and original excellent performance. Enhance or reduce the effect of light to increase the light transmission rate of the lens to 98%.

The main advantages after lens coating are: coating glasses can reduce the reflection light on the surface of the lens, clear vision, reduce mirror reflex light, increase the transmission rate of light, and solve the problem of wearing glasses in strong light. It also increases beauty. Essence

1. What is polarizing mirror

The polarizing mirror is a lens manufactured based on the polarization principle of the light. It is used to eliminate and filter the scattered light in the beam, so that the light can put the eye visual image in the light transmittance of the right track, making the field of view clear and natural.Mostly used for Sunglasses and camera lenses.

Second, the principle of polarizing mirror

The role of polarizing mirror is to filter reflective light and increase imaging contrast.Its working principle is to selectively filter light from a certain direction.By filtering the many biased Lights in the long reflection, weaken the intensity of light in the sky, darke the sky, and increase the contrast between the blue sky and the white clouds.When you shoot the specific real shooting, you should look at the viewfinder and rotate the front mirror. The darkest effect in the sky in the viewfinder is the most obvious, and the darkest is 90 degrees.You can transfer to any angle of the darkest and the brightest rooms as needed.

Polarized mirror can also effectively weaken or eliminate non -metallic surface reflection. This reflection light is a typical polarizing light (the light reflected by the metal surface reflection is not polarized light, and the Polarized mirror does not work on it). By adjusting the polarizer, you can filter it by adjusting the polarizer.The reflection of this part is dropped, thereby improving the image quality of the subject and improving the clarity of the picture.

For example, by using polarizers, the reflection of the water surface can be weakened to clearly shoot the fish in the water.When shooting such a scene, the projection angle of the light source should be consistent with the angle of the camera, and its maximum partial angle needs to be agreed between 30 and 40 degrees.When using it, you can adjust the lens in the front group of the filter to minimize the reflection on the surface of the scene.In addition, polarizing mirrors can effectively improve the saturation of color and increase contrast. This is because polarizing mirrors can absorb various directions reflected by fog or dust reflected in the atmosphere, so that the shooting images are more pure.

For example, in photography such as flowers and static objects, polarizers are often used to take colorful photos.It is useful when landscape photography, flower photography and shooting certain specific reflective scenes.The polarizer is used in the landscape photo, and the depiction of the cloud layer has excellent effects.The light refractive index of the blue sky is greater than the light scattered by the white clouds.Using polarizer can also make the color of green leaves more saturated and eliminate the fog of shooting urban scenery at low angles.

3. Polarized Sunglasses buying skills

Sun glasses are not only used in summer, but they must be used all year round.Wear it on a sunny day, and it should be worn on a cloudy day.Do nt think that the sun is not strong and the weather is not hot, so it s light -hearted, and unknowingly illuminated more harmful ultraviolet rays.

1. First consider quality

The primary function of polarizing Sunglasses is to prevent ultraviolet rays and filtrate polarized light. Good polarized Sunglasses lenses can block more than 90%of ultraviolet rays.You can choose to have polarized Sunglasses with the best blocking ultraviolet logo with the "UV400"; inferior polarized Sunglasses, such as dark Sunglasses. As the light of the human eye darkens, the pupils of the human eye will become larger, and the eyes of human eyes will become larger.increase, increase damage to the eyes.

2. The truth and nature of the vision

The color selection of polarized Sunglasses should be based on the color of the surrounding environment, the edges of the object are clear, and the principle of effectively identifying different color signal Lights.Especially when driving Sunglasses, it is guaranteed to drive safety.The color of the lens is better in gray, tea, and green, because these colors of lenses are better absorbed by infrared and ultraviolet rays, which can improve visual contrast and clarity. Wearing effects in severe air pollution or fog.

3. Will there be discomfort for a long time?

Genuine polarized Sunglasses must be comfortable to wear; inferior lenses have no technical and functional at all when manufacturing, and the lens materials are also very inferior. After wearing it, feel uncomfortable, dizziness, headache, dry eyes, tingling, etc. should be stopped immediately.Essence

4. Look at the protection function of the frame

Most polarized motion Sunglasses frames are designed with veneer arcs, which can effectively prevent wind and foreign bodies from stimulating the eyes in outdoor sports.In addition, the hard level of polarizing lens and the flexibility of the frame of the frame consider whether it will hurt the human body.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

What is lens refractive index

The lens refractive index is the ratio of the speed of lighting in real vacuum to the spread of light in the lens material, which reflects the lens's refractive ability to light.

At present, mainstream resin lenses on the market are: 1.56, 1.60, 1.67, 1.71, 1.74 and other types.Under the same prerequisite, the higher the refractive index of the lens, the thinner the lens, the lighter.

Speaking of this, many friends are very happy, of course, I hope that they can be equipped with a light and thin glasses!But don't ignore another problem: Generally, the higher the refractive index of the lens, the lower the number of Abbe, and the more obvious the color scattered.Because the scattering will affect the imaging effect of the medium, we measure the imaging quality of the lens through Abei.The higher the number of Abe, the smaller the color scattered, the clearer visual effect.Abe's number is too low, which will make the lens a rainbow pattern, affecting the user's visual clarity.

Therefore, the higher the refractive index is better, the better the lens refractive index must be selected to better protect the eyes.

What is the refractive index of polarized lens

The refractive index of polarizing lenses is not high. Generally, the refractive index of the selection of myopia below 500 degrees is 1.56. If you need to consider the thickness of the glasses, you can also choose the refractive index of 1.60 and above.The price of polarized lenses with higher refractive indexes such as 1.71, 1.74 is also higher, and you need to customize it. You can choose according to your own needs.

Generally speaking, polarizing glasses do not need to be worn all the time, and mostly use it during outdoor sports, so the ordinary 1.56 refractive index can meet most of the requirements.

The benefits of high lens refractive index

1. For people with a height, wearing thick lenses all day not only easily cause visual fatigue, but also easily cause compression or cause the glasses to decline or pain in the ears.The high refractive index lens refractive index will be relatively thin and lighter, and it is usually relatively comfortable to wear.

2. Too thick lenses will not only make the wearer have a sense of depression, but also affect the aesthetics of the wearer. The relatively thin lens will look better.

3. Compared with low refractive lenses, high refractive lenses are better than lenses with low refractive indexes than lenses with lower refractive indexes.

How to choose the right lens refractive index

1. Patients with myopia below 200 degrees are recommended to use a 1.50 refractive lens.

2. Patients with myopia below 600 degrees are recommended to use a 1.56 refractive index lens.

3. Patients with myopia below 800 degrees are recommended to use a 1.60 refractive index lens.

4. Patients with myopia below 1000 degrees are recommended to use a 1.67 refractive index lens.

5. Patients with myopia below 1000 degrees are recommended to use a 1.74 refractive lens.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

1. How to check the authenticity of the Sunglasses

There are anti -counterfeiting barcodes in Bao Sheng Sunglasses. After scraping, calling can be known.There are anti -counterfeiting pictures and telephones on the website of Baosheng. Compared with it, the anti -counterfeiting query telephone is fake.Therefore, if you buy online, you must choose a good reputation and buy a regular website.Bao Sheng Sunglasses will use a new anti -counterfeiting check system from January 1, 2005. Each genuine Bao Sheng Sunglasses have anti -counterfeit query codes on the tag, scrape the silver powder coating, call 8008699855 or 95105602 to query truePseudo; 800 free telephone limits to fight, you can also log in to the official website of Bao Sheng for inquiries: www.prosun.com.cn.

2. How to distinguish between true and false

1. Scraping degree identification

The scraping of high -quality lenses is relatively high, so we can see its scratch resistance when identifying the sacred Sunglasses.In the genuine Bao Sheng Sunglasses, if we use hard objects to scrape the lens, even if you rub it back and forth dozens of times, the surface of the lens on the lens of Bao Sheng will not leave any scratches.The lens is relatively low. When we scrape the sacred Sunglasses back and forth, wear and scratches will appear on the lens.

2. Wear identification

On the one hand, Sunglasses can block ultraviolet rays, and on the other hand, they can prevent the reflection and flexion of light. Therefore, we can personally experience to try to wear sacred Sunglasses.Genuine Bao Sheng Sunglasses have a good effect after wearing the sun, and the sight is very clear. After wearing fake Bao Sheng Sunglasses, although the sun is blocked, the sight is more vague.The feeling of glasses is obviously different.

3. waterproof aspect

The waterproofness of genuine products is relatively high, and the surface is almost not stained with water, so it is clearer to see things.And although many imitation products are not much different from the outside, the waterproofing is relatively poor. It is also sprinkled with some water on the lens.Sex is not very good.

4. In terms of oil -proof

The coating on the genuine lens is highly oil -proof, and the oil is not easy to attach to the surface, and it can be cleaned as long as it gently wipes it.However, in order to save costs, many imitations will not use such high -end sluggling coating. Therefore, once the surface is encountered, it is difficult to clean the oil. It must be used to use a cleaning agent, which brings great trouble to cleaning up.Bao Sheng Sunglasses product Daquan & gt; & gt;

[UV -proof glasses] How to identify the UV -proof function of Sunglasses, what is the coating

What is UV -proof glasses?

The light emitted in the sun is: visual light, infrared, ultraviolet rays, etc.The ultraviolet rays are seriously harmful to the Skin, eyes, etc. of the human body; the ultraviolet rays in the light released by the sunlight are divided into UVA, UVB, and UVC.It is the light of burning black Skin. Most corners of the eyes will absorb this UVB light, so it is necessary to block this light source.

Because UV glasses have the function of polarizing light, they can block all harmful light without affecting the visual light through, which can truly achieve the function of protecting the eyes.

How to identify the ultraviolet function of Sunglasses

Selecting Sunglasses depends on its lens quality, and pay special attention to the function of Sunglasses.So, how to identify whether Sunglasses have the function of anti -ultraviolet rays?In fact, it is not difficult. Put the Sunglasses on a 100 yuan RMB and use a purple light to identify it.

Experts said that the main role of Sunglasses is to prevent strong light and string light, especially ultraviolet irradiation, which protects eye health in summer and is not damaged.

Therefore, when purchasing, you must pay attention to whether there are "UV400" and "UV" logos on the lens and packaging. At the same time, the UV -proof test is also required.

Method 1. Look at the label of Sunglasses

There are Sunglasses with anti -ultraviolet function, generally there are several clear ways:

a) Mark the "UV400": This means that the lens's cut -off wavelength of ultraviolet is 400nm, that is, the maximum value of the maximum value of the spectrum transmission ratio of less than 400nm in the wavelength ()

b) Mark the "UV" and "UV prevention": This means that the lens's deadline for ultraviolet is 380nm, that is, the maximum value of the maximum value of the spectrum transmission ratio of less than 380nm below 380nm;

c) Mark "100%UV absorption": This means that the lens has 100%absorption function on ultraviolet rays, that is, its average transmission ratio in the ultraviolet interval is not more than 0.5%.

The Sunglasses that meet the above requirements are Sunglasses that truly have protection for ultraviolet rays.

Method 2. Use banknotes to verify

In the absence of instruments, ordinary people can also detect whether Sunglasses have the function of anti -ultraviolet rays.

Take a banknote, put the Sunglasses on the anti -counterfeit watermark, and use the banknote pen or the banknote inspection machine to take a look at the lens.If you can still see the watermark, it means that this pair of sun mirrors are not anti -ultraviolet. If you can't see it, it means that this pair of sun mirrors is anti -ultraviolet.

What is the coating of UV -proof glasses

The most effective and most commonly used method to avoid radiation light caused by damage to the eyes is to wear protective glasses.The so -called protective glasses are a filter that can change through light and spectrum.

This type of glasses is divided into two categories. One is absorption and one is a reflex. The former uses the most.

When the lens is manufactured, a part of the metal oxides are added to the general optical glass formula, such as iron, drilling, chromium, cricket, nickel, manganese, and some rare earth metal oxides such as harmony.

These metal oxides can make the glass selectively absorb the electromagnetic waves in a certain band of light, such as the oxide of the and iron can absorb ultraviolet rays in large quantities.Using this glass lens can reduce the amount of some wavelengths through the lens, reduce or prevent damage to the eye.

1. Absorption filter

Also known as Sunglasses.The transmission rate of visible light is about 20%, and the absorption of ultraviolet and infrared is better.There are many colors such as light green, light gray, and light tea, which are used to make sunshade and snow work protection glasses.

Among them, light gray lenses have minimized color recognition; light tea glasses make the blue sky look darker, which reduces the green light through it; the light green lens reduces red light through.

Second, reflective filter

The absorption filter is absorbed by the lens to some wavelength light to reduce the strong light in the eye, but because the lens absorbs certain light, it becomes heat and release, especially the infrared lines and other waves are longer.The light of light makes the eyes feel uncomfortable due to the accumulation of heat.

In actual work life, many situations are combined with absorption and reflective type, that is, a layer of high reflection membrane is placed on the color lens to make the filtering effect more, such as welding, chlorine -library welding, plasma cutting and other operators.You can use this method to solve it.