The conversion plug is a small and portable electronic device that allows your electrical equipment to be quickly and easily connected to any power outlets around the world. If you plan to travel abroad, you need to prepare a suitable adapter for the country you are going to, or choose an adapter plug that integrates pins from multiple countries. The purpose of this guide is to introduce travelers to the types of plug converters needed for European travel, so that they can prepare well in advance for their trip. The voltage range used throughout the European continent ranges from 110V to 250V, but most well-known travel destinations use 220V 50Hz. In addition, every country has local electrical standards, and roughly eight types of plugs and sockets are used. Therefore, more specific information can be obtained by reading the specific guidelines of European countries.
From the material of the tripod, it can be divided into these categories: High-strength plastic: Plastic tripods are generally small desktop tripods. Its advantages are that it is cheap and light, but its durability and stability are relatively poor. . Steel: Heavy weight, relatively cheap price, average durability, and very good stability, suitable for photography in indoor environments such as studio shooting and directing studios. Aluminum/magnesium alloy: heavier weight, moderate price, good durability and stability, the advantage is that it is cost-effective, and it is also more suitable for studio shooting and indoor photography. Carbon fiber: very light weight, relatively expensive, but durable, and extremely stable, the effect of anti-shake is also ideal, relatively light, adapt to various environments, but most suitable for outdoor photography, it is the current tripod material on the market The best performance in the
Is it carrying it to hike outdoors, looking for the scenery you want to shoot, or you only need to use it in the studio and a relatively fixed place.
For the former, because it is a walking trip, considering physical strength, we choose a tripod with light weight and high portability; for the latter, without considering weight, we mainly choose a tripod with strong stability.
Choose a tripod according to the device you have. If your device is a micro-single, card camera, camera, or mobile phone with a smaller weight and volume, then you can choose the main light and small-diameter tripod; if it is a SLR or Cameras are heavy, bulky and expensive equipment. Considering that the quality of the photos we take and the need to protect the shooting equipment are proportional to the investment on the shooting equipment, we try to choose a large diameter with good stability and load-bearing ability. tripod.
The current wireless charging has not been able to achieve true wireless charging anytime and anywhere. Instead, the mobile phone is placed on a charger that can be charged wirelessly and conducts electricity through electromagnetic waves, thereby adding power to the mobile phone.
The charging loss rate of wireless charging is currently relatively high, around 30%. Take an Apple mobile phone as an example. One hour of wireless charging is equivalent to 15 minutes of wired charging. Of course it is needed. The most suitable scenario is in an office environment. Put the phone directly on the wireless charging stand. To read the information, you can reach it in front of you with your hand stretched out, so you don’t need to unplug and plug it in every time. The principle of wireless charging is electromagnetic induction, which is a physical phenomenon in which electricity and magnetism can be transformed into each other under certain conditions. At present, the mobile phone wireless charging base converts electricity into a magnetic field, and the wireless charging coil on the mobile phone can convert the magnetism into electricity to supplement the power of the mobile phone.
In the office, the socket is too far away from the seat, and the line isn't long enough to move half way toward the phone every time you touch it. I'm so sleepy that I don't want to plug in my phone with the data cable at night. Then I forget to charge it. It's too late to repent in the morning
For now, we're still bothered by this charging action, and have to pay attention to the cable being pointed at the interface every time. We are used to this kind of action.
However, when you look back, this charging is also a minor annoyance of life, but we are used to such existence. Wouldn't it be more comfortable without the hassle?
The position of the self-timer light: the center of the soft box of the light (that is, the center position of the light source) is facing the hair position of the subject, the lower part of the soft box is facing the face of the person, and the upper part is facing the background behind the person, because of the soft light The center of the light emitted by the box is the brightest, and the four sides will be darker. Usually the center and the edge are separated by 0.8 to 1 level of aperture. Therefore, the brightest light source illuminates the hair, and the hair appears transparent due to large light absorption and increased exposure. Strong sense. Facial reflection is large. Use a relatively weaker light source to balance the light of the face and hair. The upper part of the soft box illuminates the background to enhance the level and brightness of the background. Under normal circumstances, the triangle light does not need a hair style light. The purpose is to make the picture more natural and lifelike. When the position of one lamp is fixed, the other lamp is at the same height at the same time, illuminating the subject from the other side. The application of the ground lamp should not be too bright or too dark , Too bright will make the contour lines of the face and neck disappear, and too dark will lose the meaning of the triangular light, and the transparent and bright feeling will not be produced. Therefore, the intensity of the three lights is the same, and the distance between the light and the subject It is the same. 3. Before using the triangular light, you must use the side light meter to measure the intensity of each lamp to achieve the same, and you can measure the aperture value of the subject illuminated by the lamp. During the shooting, the distance is shortened, and the corresponding The aperture is reduced, the distance is increased, and the aperture is opened. In this way, there is little chance of lighting errors during shooting.
First of all, there are three types according to the fixed position. The first one is adsorbed on the surface of the windshield. I don't recommend this kind of bracket.
Because your phone is placed on the front windshield, it will not only block the line of sight, but it will also crash in the summer if you are not careful.
Moreover, at a certain angle, there are reflections and it is not clear. If there is a traffic accident, the mobile phone holder is loosened on the front block, and it is dangerous to fly to the head. Part of the insurance is not covered.
The second type of mobile phone holder is pasted on the dashboard, which can easily block the line of sight, and there is an adjustable extension arm on this mobile phone holder. If you stretch the phone too long, you can't see clearly when the phone is shaken. If it's too short, the phone is too far away and you can't see clearly, which is not very useful.
The last kind of mobile phone holder is clipped to the air outlet of the air conditioner. This is relatively recommended, because the holder is placed here, it will not block the line of sight, the mobile phone is not easy to be exposed to, and it can avoid the situation that the screen is not clearly reflected. .
First loosen the fixing screw-then pull up the adjusting clamp, open the adjusting clamp, and at the same time tighten the fixing screw, widen the telescopic clamp, and fix the phone in the clamp.
Connect the wire control to the phone: insert the wire control plug of the selfie camera into the earphone jack of the phone.
Rotate the camera to use the front or rear camera. If you are using the rear camera, you can rotate 360 degrees to the rear mirror of the selfie stick in order to see whether your posture is good or not, so that you can pose in the mirror before taking pictures.
Adjust the distance: Adjust the distance between the stretch rod and yourself by telescoping. The longest stretch can be up to 14 cm.
Take a photo: After posing and adjusting the distance, press a photo button (a camera icon) on the selfie stick to take a photo.
Capacitive microphone has the advantages of ultra-high sensitivity, instantaneous response fast, extremely wide frequency response, ultra-low touch noise, etc., but it is relatively resistant to construction and is afraid of falling and damp. If you have a very good radio environment and need to record high quality human audio, a condenser microphone is the right choice
Moving coil microphone has low noise, no need to feed power, easy to use, stable and reliable performance, relatively cheap price, but transient response and high frequency characteristics than capacitor microphone. If you are a beginner and have a poor radio environment and a lot of noise, a moving microphone is the best choice
Microphone the hardware configuration of DSP chip, in fact, that is, digital processing chip, to beautify your vocals, and of course effect according to various concrete algorithm & hardware collocation is different, if you did care about "beautification" to note any chip sound CARDS with built-in microphone sound card can realize real-time ears back, at present the common market the microphone all the built-in sound card and chip, generally do not need to worry about, of course, there are some microphone really need their configuration independent sound card, it need to pay attention to oh interaction interface Aux use audio line, advantage is universal, Weakness is voice is not clear the Type - C has higher data transmission capacity, also means that the sound will be more clear, disadvantage is the support for universal life life not actually related to degree of use, generally according to the official state reduce 1 to 2 hours to estimate the actual microphone the customized function of noise reduction some microphone to cater to a particular scenario, introduced the function of noise reduction, some can effectively avoid the interference of sound, will certainly lose some voice recording reduction & clear put some microphone integrated small horn, anytime, anywhere can be hi sing more equipment matching equipment matching let family k song is no longer difficult
Handheld game consoles, referred to as handhelds, are also known as portable game consoles, portable game consoles, or portable amusement instruments. Refers to a small and portable game console that can run electronic game software anytime and anywhere. At present, some mobile phones have added entertainment and game elements, so that the boundary between mobile phones and handhelds has become increasingly blurred. Handheld games originated in 1976, the Mattel Electronics Handheld Games series developed by the American Mattel Company. The first product on the market is called Mattel Auto Race, which is the first handheld ancestor that used LEDs in video games. Handheld games generally have a short process and a fast pace. Because its purpose is for people to entertain in a relatively short period of time (such as waiting for a car or queuing), it will not have a complicated plot like a general video game; at the same time, due to the limitation of hardware conditions, the screen of general handheld The sound is not as good as the home gaming hardware of the same period. With the development of the times, modern handhelds have made great progress in many aspects such as game plot, picture quality, and music, and have also brought a better gaming experience to the majority of players.
