How to distinguish the quality of Sunglasses

Judging the advantages and disadvantages of Sunglasses can be examined from both quality and aesthetics.Aesthetic has personal factors, and quality is standard.The quality of Sunglasses mainly refers to the quality of the lens.At present, the world's general standards are the standards of the US Food and medicine and Health Inspection (F D A) standard.

1. According to the F D A standard, while the lens guarantees the light transmission rate, it is necessary to filter more than 90 % of the ultraviolet rays in the sun, and the lens should be labeled "UV-100protct10n"."UV-400protct10n" tag, so it is very important to check the UV tag on the lens.

2. The lens must not have the "degree" of optical lenses.Generally, if the refractiveness exceeds 15 %, it will feel dizzy when wearing.

3. The lens must have a high strength and pass the impact test.Generally speaking, the strength of plastic film (propionic acid or acetate), resin tablets, and glass tablets from small to large.

How to distinguish the quality of Sunglasses lens quality

1,Material of the lens

glass lens: wear resistance, but relatively speaking, its weight is heavier than other materials, and it is also easy to break.

Popular resin lens: This kind of lens is lighter than glass lenses, impact resistance, and is not easy to break, but the hardness is low, so it is easy to get hair and it is easier to have scratches.

2. The refractive index of the lens

The higher the refractive index, the thinner the lens, the higher the price.Such as the optical characteristics of the lens:SunglassesIt is a flat -light mirror, which cannot be littering, and should not have optical defects that affect vision.

The simple method of identification is to place the Sunglasses in front of the eyes and observe the distant targets through the lens, such as window frames or door frames, and then move the glasses up, down, back and forth, the target should not be swinged and wavy deformation.

3. The color of the lens

Sunglasses are divided into dark and light colors without color distortion.The choice of the color shades of the lens should be depends on the places of the required activity. Selecting different colors for different light sources and different use occasions, the color of the lens will affect the Shading effect.To enable Sunglasses to effectively block the strong light in summer, dark Sunglasses are needed, but if you wear a bike or drive, you should not choose a lens with darker colors.In addition, when Sunglasses are used for daily driving, they also need to have the ability to identify different color signal Lights.

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1. How to choose Camping lights

Outdoor Camping is a more popular way of vacation. Many friends will also be Camping overnight. If it is Camping overnight, Camping lights are essential. There are many Camping lights on the market. Choose carefully when choosing.When choosing Camping lights, the following points are mainly considered:

1. lighting time

It is an important criterion for choosing Camping lights for long -term stable and continuous and continuous stability. When buying, you can check whether the Camping light has a built -in charging system, whether there is a charging cable, etc. to determine its lighting duration.

2. lighting

The output of light is measured by lingering. The higher the flow, the brighter the light. The brightness of the general Camping light is between 100-240 lumens.In the outer camp, the Camping light with a large brightness is required. When buying, you can test the brightness of the Camping light.

3. Portableness

When performing Outdoor Camping, people hope that they can be lighter while meeting the needs, otherwise it will be very troublesome. When buying Camping lights, it is recommended to buy the Camping light that can be suspended at will and the light size is lighter.Facing complex Camping conditions, it can play its role.

4. waterproof

Out of Camping, it will inevitably encounter a humid environment, and even hitting rainy weather. The waterproof performance of the open camp Lights is particularly important, and the waterproofness of the dew was tested.

5. Functional

In addition to the lighting, there are some Camping lights that can achieve multi -functional requirements, such as acting as mobile power, fan, etc. Multi -function Camping lights are not only better, but also can make camping equipment lighter.

2. What are the standards for choosing wild Camping lights

There are many types and products of Camping lights. When choosing, pay attention to selecting a good Camping light. Generally, good Camping lights need to meet these standard requirements:

1. The brightness is appropriate

Professional Outdoor Camping lights will have the brightness value of the output, but it should be noted that the lingering is not the only determined factor in brightness. The selection of Outdoor open camp Lights should be processed from actual use needs, rather than simply request the brighter and more demanding.Good: 2 ~ 3 people will light up in a Tent at a lumen of 100 lumens; when Camping and cooking or group Camping, multiple Tent lighting should be more than 200 or more.

2. Strong durability

The durability of Camping lights mainly depends on the shell and waterproof ability. Usually high -quality plastic materials can well meet the requirements of toughness and falling resistance. Try to choose some round and flat styles when buying.It is necessary to have some waterproof ability to deal with humidity and foggy weather.

3. Light and easy to use

A good Outdoor Camping light is not only lightweight when carrying, but also convenient when used; the placement form of open camp Lights on the market is mostly: suspension, magnetic suction, flat release, clarify your main use scenarios to buyJust accept it.

[Outdoor Climbing shoes match] What kind of pants are the mountaineering shoes with good jeans and how to match mountaineering shoes

1. What pants are good for mountaineering shoes

autumn is suitable for climbing. Breathing fresh air exercise can experience your willpower while exercising, and the nervous brain relaxes between the peaks of the mountain.Many Outdoor enthusiasts are worried. I don't know how to match Climbing shoes. Mountaineers enthusiasts pay attention to their own climbing costumes.In fact, there is any difficulty in this, Xiaobian will give you a few tricks.

First of all, wearing mountaineering shoes depends on how you want to wear and what style you want to highlight. Generally, leisure sports style is the preferred style of mountaineering enthusiasts.The easiest you can put on mountaineering shoes with darker wide pants, and the upper body can be paired with bright -colored checkered shirts.It is very suitable for people in spring and autumn.The simple and bright style does not lose the lively atmosphere in the autumn, and it makes you look relaxed and comfortable. It also has a casual and comfortable, and this kind of pants are very strong and wear -resistant, even if you are accidentally scraped by rocks,Don't worry about it!It is worth trying.

Secondly, it is also possible to wear Climbing shoes on weekdays. If you like leisure and want to be different, you can try mountaineering shoes with narrow -footed jeans. It has a casual Feel. In addition to wearing mountaineering shoes, it is also a leisure dress in leisure.This shape is very suitable for the relaxed gathers and outs of the weekend.

Third, if you think of the Outdoor Park or the suburbs, you may wish to try loose light jeans with mountaineering shoes, so that you can be casual and comfortable.It looks very pleasant without losing.

Fourth, in the hot summer, mountaineering shoes can also be matched with easy selection of short -sleeved clothes and shorts, and the cool pleasure comes.Lisuo's simple style makes you feel younger.Simple, comfortable, easy to wear and very practical, cool, lightweight, and allow the body to do great movement.

Fifth, mountaineering shoes can also be paired with long -sleeved T -shirts, loose sports pants, and carrying a Backpack.Running outdoors to feel nature!sports pants are easy to sweat, comfortable, and no involved. It is very suitable for fierce mountaineering movements. The overall design and fabrics have a certain technological content.And wearing sports pants is even more energetic.And you can carry a punching suit with you to escort your Outdoor trip.

In fact, it is not difficult to match mountaineering shoes. The key depends on how you wear it. You can wear it comfortably according to your hobbies, but remember not to wear trousers.What is difficult to master these points?

Second, jeans with mountaineering shoes?jeans with Climbing shoes recommendation

jeans with mountaineering shoes?

While the spring is full of spring, the birds are fragrant.Quickly change to the backbone of the hiking shoes on the Hiking camp, calmly, freely travel.But how do you wear trouble for this?The door is still thinking about how to match it without losing the casual style.The jeans with mountaineering shoes is an eternal indicator of fashion trends, and it will never be outdated.Choose mountaineering shoes, checked shirts, wide -footed or narrow -feet jeans, eternal matching classics.Whether it is vitality, elegance, or fashion, mountaineering shoes can be matched.Moreover, the inherent vitality of mountaineering shoes is unable to replace any shoe.

Recommendation of jeans with Climbing shoes

jeans with China Gang Gang Green Climbing shoes: casual charm in nature.

jeans with China Gang Green Climbing shoes: There is a vitality in leisure.

jeans with light brown hiking shoes: reveal a faint literary temperament in leisure.

jeans with light brown Climbing shoes: elegant showing the temperament of the inner little Hiking prince.

jeans with dark brown hiking shoes: The strong Western denim wind is unstoppable.

Seven inch jeans with light brown hiking shoes: The trend is at your feet!

1. What is the difference between the Bicycle helmet and the electric car helmet

1. Different safety standards

In many areas, the helmets of battery cars and bicycles need to meet specific safety standards.Due to the faster driving speed of the battery car, the battery car helmet needs to meet more stringent safety standards to provide higher protection performance. Bicycle helmets only need to meet basic safety standards.

2. Different structures and materials

The battery car helmet is relatively strong and impactful, the Bicycle helmet is lighter, the structure is thin, and it is more suitable for low -speed cycling.

2. Can the Bicycle helmet be used as an electric vehicle helmet?

Bicycle helmets can be used as electric vehicle helmets, but from the perspective of safety, electric vehicles are still equipped with specialized electric vehicle helmets.The electric car helmet uses the hard helmet and plastic mask of the foam in the ABS shell, which has stronger collision resistance and safer.The Bicycle helmet is a all -in -one helmet made of foaming materials. The streamlined design has a lot of breathable design and lightweight. It mainly considers comfort and heat dissipation and breathable performance.Therefore, for the sake of safety, it is recommended to wear an electric car helmet.

Bicycle helmet is a common head safety protection equipment. The main function is to reduce the damage to the head of accidental collisions and minimize the damage to the minimum.It avoids fragile and most important heads by scattered and buffer impact.But don't think that you can bump wildly when wearing a helmet. It can only reduce the damage and not completely avoid damage.The reason for wearing a helmet is simple and important, to protect the head and reduce damage.

What do women go out to travel?

1. Certificate and electronic equipment

Certificate: ID card, passport (if traveling abroad), student ID (may enjoy discounts), driver's license (if you need to rent a car).These documents are an indispensable identity document during the journey, and it is necessary to keep it properly.

Electronic equipment: mobile phones and chargers, charging treasures, headphones, cameras (if you like to take pictures).The mobile phone is used to keep the communication and record a good moment; the charging treasure ensures that the electronic equipment such as the phone is sufficient; the Headset is convenient for listening to songs, watching movies or calling on the journey; the camera can capture more wonderful pictures in the trip.

2. Washing and Skin care products

Washing supplies: toothbrushes, toothpaste, shampoo, shower gel, facial cleanser, sunscreen, etc.It is recommended to choose a small sample or travel to reduce the burden of luggage.sunscreen is a must -have for summer travel to prevent ultraviolet damage to the Skin.

Skin care products: Skin care products, cosmetics, mask, etc.Choose suitable Skin care products and cosmetics according to personal needs to maintain the beautiful image on the journey.

3. Daily necessities

Water cup: Convenient to replenish water at any time and keep healthy.

Paper towels and wet towels: It is very practical for rubbing sweat, rubbing hands, rubbing mouth, etc.

Umbrella or sunscreen umbrella: It can be rainy and shade, and deal with various weather conditions.

Disposal products: such as one -time tissue, towels, slippers, toilet pads, etc., providing higher hygiene guarantee.

Drugs: Bring necessary medicines according to personal circumstances, such as cold drugs, painkillers, diarrhea, ventilation, motion sickness drugs, etc.

4. Clothing and accessories

Clothing: Prepare appropriate clothes according to the weather and seasonal weather and season.It is recommended to bring a few more sets of laundry, as well as underwear, socks, etc.At the same time, choose light and comfortable shoes for a long time walking.

accessories: such as hats, Sunglasses, scarves, gloves, etc., both sunscreen and fashion can increase the sense of fashion.

5. Other must -have items

Backpack or luggage: Choose the right Backpack or suitcase according to the travel time and needs, which is convenient for carrying luggage.

Travel pillow: If you take a long -distance transportation, bring a travel pillow to improve comfort.

Maps or navigation software: offline maps or navigation software can help find directions when destined to get lost in the destination.

Cash and bank cards: bring an appropriate amount of cash and bank cards to prepare from time to time.

6. precautions

Safety: Pay attention to the safety of personal property, do not bring too much cash and valuables.Be careful in the crowded places.

Environmental protection: Try to choose environmentally friendly travel supplies, such as reused tableware, water cups, etc., reduce the use of disposable supplies.

Understand the destination: Know the weather, culture, customs and other information of the destination before departure, in order to better arrange the itinerary and preparation items.

What cosmetics do women go out with

1. Basic Skin care

Cleansing product: Choosing a cleansing product suitable for your Skin is the first step in the basic Skin care.

Toner: It is used to regulate the Skin's acid -base balance, shrink pores, and improve Skin absorption.You can choose a mild toner.

Essence: Help the Skin deeply nourish and improve Skin problems.It is recommended to choose essences with effects such as repair, moisturizing, and antioxidant.

Cream/lotion: Select the right cream or lotion according to the Skin to help the Skin lock the moisture and keep it moisturizing.It is recommended that Lancome's moisturizing cream, Estee Lauder red pomegranate firming repair cream.

2. base makeup

Foundation/BB cream/air cushion BB: It is used for uniform Skin tone and covering defects.Choose color numbers similar to your Skin tone to create natural flawless Skin.

Concealer: Cover for local defects such as dark circles and acne, making the makeup more perfect.

San powder/fixed makeup spray: used for makeup to prevent makeup from taking makeup or blooming.Givenchy's Siya San powder is the best in the makeup industry, which is suitable for various Skin types.

3. Eye makeup

Eye shadow: Choose color shadow products with color rendering, lasting, easy -to -color, and choose the right color matching according to personal preferences and occasions.

Eyeline pen/eyeliner: It is used to outline the eye contour, making the eyes deeper and more godly.Recommended waterproof, durable, and easy -to -color products

Mascara: Makes the eyelashes stronger, curled, and not blooming.

4. Lip makeup

Lipstick: Choose Lipstick products with the characteristics of moisturizing, lasting, color rendering, and select the appropriate color according to makeup and occasions.

Lip brush (optional): It is used to sort out the lip -shaped or overlapping color to make the lip makeup more perfect.

5. Others

Blush: Increases the three -dimensional sense of facial and makes the makeup more vivid.Recommend natural, colorful and long -lasting blush products.

makeup brush/sponge: used for makeup and faint, making makeup more naturally.It is recommended to choose the appropriate Tool according to personal preferences and makeup habits.

makeup remover: such as makeup remover, makeup remover, makeup remover, etc.Whether it is short -distance travel or long -distance travel, you need to carry makeup remover with you to remove makeup in time when needed to keep your Skin clean.

What do girls go out and protect themselves

1. Anti -wolf spray

This is a non -fatal weapon that can temporarily loses the resistance to attackers in emergency situations and strive for girls for escape.Pay attention to compliance with local laws and regulations and ensure carried and use within the legal scope.

2. Self -defense Keychain

This small personal protection Tool usually has emergency alarm and body defense function, which is convenient for carrying and easy to operate.When encountering an emergency, alarms can be issued to attract the attention of the people around or use it as a self -defense Tool.

3. security lock

When a girl travels or stays alone, it can use a safe lock to strengthen the safety of the hotel or hostel room to protect the safety of personal property.