Apple mobile phone takes second SLR? Experience iPhone 12pro in depth in a week

Since the launch and sale of the iPhone 12 series, I have been using the iPhone 12 Pro for more than a week. After relatively in-depth practical experience, I would like to talk about the use of this generation of Shanshan late iPhones. < / P > < p > if the last major reform of iPhone started from iPhone x, after XS series and 11 series, iPhone 12 series is already the fourth year, which is the year of major reform. < p > < p > in this year of great reform, the iPhone 12 series carries many missions and characteristics, returning to the right angle frame of the iPhone 4 / 5 series six years ago; introducing the lidar module for the first time; not providing earphone and charging head as standard for the first time, and correspondingly greatly reducing the box size < p > < p > the conventional performance upgrade is carried out by A14 chip and XDR hyper retinal screen supporting HDR display; and computational photography is greatly improved from lens, imaging components to chip algorithm. < / P > < p > at the same time, in the ID design, it is a “regression” and “redefinition” design, because behind the appearance adjustment, there are 5g function optimization, new material use and other considerations. < / P > < p > another key point is the construction of MagSafe wireless charging ecology. Can Apple make a late start and redefine the wireless charging market as it did in the TWS headset field? < / P > < p > whether the iPhone 12 is fragrant or not, the expected sales volume, the price increase of scalpers, and the additional orders in the industrial chain all explain the problems. Even recently, it has been reported that Apple has strengthened the control of “special” channels such as pinduoduo to maintain the price stability. < / P > < p > the most important thing is how the iPhone is after another big reform. Behind it lies the wild nature of apple in the smartphone market and even in the technology supply chain reengineering. Let’s understand and explore in the use. < p > < p > iPhone 4 is the last generation of iPhone released by Jobs himself, which must also be his most satisfied generation. Even in those years, in order to launch an ideal “white version”, it delayed several months to solve the technical problems. < p > < p > at Apple’s online launch on October 14, the scene was switched to the Steve Jobs Theater Hall, where there was no one over the seats, only when it was the turn of the iPhone 12 to appear on the stage. < / P > < p > whether the right angle frame is good-looking or the curved edge with 2.5D glass is good-looking. Different people have their own love, and many times people are fond of the new and detest the old. < / P > < p > if we are used to the design similar to the iPhone 5 / 4 era for six years, and suddenly throw you the design of rounded border, I believe many people will be amazed. < / P > < p > there is a detail: there is a plastic frame between the screen glass panel and the metal edge of the iPhone 11 pro. This time, the iPhone 12 Pro has canceled it, which means that the glass panel is directly embedded in the metal frame. < p > < p > compared with iPhone 11, iPhone 12 Pro has a good change: the screen of Pro version is improved from 5.8 inch to 6.1 inch, and the screen area is increased to at the same time, which maintains good comfort of one hand holding and convenient operation. < / P > < p > for example, when using the iPhone 11 Pro max, it is almost impossible to operate the fourth icon on the bottom with one hand, while the size of the iPhone 12 Pro is just right. < / P > < p > Apple is quite confident in the “accuracy” and “ruthlessness” of the latecomers in the application of new technologies, which has been verified in the categories of airpods, applewatch and iPhone multi camera function. < / P > < p > first of all, Apple’s ambition for wireless charging is not just a function, but to build an ecology, from the built-in wireless charging coil and magnetic block in the fuselage, MagSafe charger, 20 Watt fast charging head and the protective shell with built-in magnetic sheet. < / P > < p > there is definite news that the protective case with built-in magnetic sheet and NFC sensing function will soon be provided to accessory suppliers by Apple’s official MFI standard. < / P > < p > in order to fully experience MagSafe’s wireless charging function, I bought the official 20W charging head for use. It takes about 40 minutes to charge 30% and 20 minutes to charge 34% of the charge if the lighting-type-c fast charging line is used. < / P > < p > in particular, compared with the traditional stand-alone wireless charger, the feature of “one stick is accurate” is more direct than millet, which allows the coil to find equipment. < / P > < p > this may be related to the design of MagSafe charger. The charging plate is wrapped by aluminum metal coil, and the heat dissipation is conducted by metal frame. When it is naturally charged, it becomes a little warm. < p > < p > 50% performance improvement, quad core GPU, fourth generation video memory compression technology and other performance upgrades brought by A14 have been repeatedly mentioned in the latest two apple new product releases. < / P > < p > a typical example of strong cognition is the mobile game with end game pictures such as running hero League. The weak cognition function is more reflected in some conventional functions such as taking pictures and taking videos. The CPU and GPU exert themselves silently behind the scenes. < p > < p > for example, the intelligent hdr3 function emphasized by apple this time uses machine learning to detect scenes, and can process similar sky parts separately. For a part of the targeted local processing. It is the combination of AI algorithm and the computing power of the processor, so that you can improve the quality of experience and shooting. < / P > < p > a simple run point comparison is made here. The CPU single core performance is improved by about 20%, the multi-core performance is improved by about 50%, and the GPU is improved by about 20%, which is basically consistent with the official statement, and the running memory is increased by 50%. < / P > < p > however, sometimes I feel that the difference in use is not so obvious. We did a simple test. Under the same settings, we processed a 2K video of 1 minute and 20 seconds, and the completion time was similar, only a few seconds. < / P > < p > the biggest surprise of the iPhone 11 series is: super wide angle, night view mode, and super view framing and shooting function. < / P > < p > in the night scene shooting, after the super wide angle supports the night scene mode, the quality of the dark details will be improved, and the color of the sky can be retained. < / P > < p > another key point of upgrading the photo and video capture of iPhone 12 Pro is to expand the main aperture to f1.6 and use 7-piece lens. Apple’s advertising slogan says that it can take photos with “clean and sharp everywhere”; at the same time, with more light input and enhanced optical quality, can it bring more natural background virtualization? < / P > < p > through the comparison of this scene, we can see that the performance improvement of the upgraded hdr3 of iPhone 12 Series in terms of color, dynamic range and details is visible to the naked eye. In addition, we can also get a good picture of the backlight of the lower part of the lens. < / P > < p > however, this effect can only be visually felt on the iPhone 12 pro, and it is even difficult to capture a picture or capture a video to present it. When the iPhone video screen is opened, the Dolby horizon HDR mode will automatically exit. In the following GIF, the front is taken by iPhone 11 Pro max, and the following is the effect shot and played by iPhone 12 pro, which is still difficult to show intuitively. < / P > < p > when I export the video of the same scene shot by iPhone 12 pro and iPhone 11 Pro Max to a Mac, the difference is not obvious. Therefore, the shooting, editing, sharing and viewing of the full Dolby horizon HDR video need the support of the iPhone 12 screen. Of course, there are also hardware calculations behind it. < / P > < p > the iPhone 12 Pro has a great sense of presence and space for the pickup of videos, which has been well done by the previous generation. It is easy to distinguish the distance of other people’s speech through sound. < / P > < p > in video shooting, the difference between the large aperture of f1.6 of iPhone 12 pro in the dark environment is also very obvious. The difference can be clearly seen from the following comparison. Switching from super wide angle to main camera, the whole environment is instantly brightened, which is why f1.8 and f1.6 are still very important although there is only a difference of 0.2 between f1.8 and f1.6. < / P > < p > in terms of shooting function experience, I have also made an attempt. How big is the gap between iPhone 12 and quasi professional SLR like Canon EOS 5D4? < / P > < p > this is not to say that the iPhone 12 is going to kill the SLR, but how it is different from the traditional SLR photography in today’s increasingly mature mobile photography and computational photography technology. < / P > < p > by using abundant lens resources, we can take a large aperture “knife sharp milk” background virtual photos, which is obviously beyond the reach of mobile phone photography. Here I compare a wide-angle photography scene. < / P > < p > in the default mode, the appearance of iPhone 12 Pro is obviously better than Canon 5D4, and higher tolerance is obtained based on HDR algorithm, but the details are much worse than that of full frame 5D4 with 32 million pixels. In view of 100% size, the image of iPhone 12 Pro is still sharp, but there are color blocks with obvious smear feeling. < / P > < p > in fact, professional SLRs also have HDR mode now. The following is after the positive and negative synthetic HDR is turned on, Canon 5D4 takes three consecutive photos of in-machine synthetic output, does it look more comfortable? The brightness of the sky is reduced, and the details are much richer than the iPhone 12 pro. < / P > < p > through the comparison of the three scenes, I would like to say that there is still a gap in hard indicators between mobile photography and professional cameras, and there is still a lot of room for improvement in mobile photography. However, at the same time, the computing photography supported by AI on mobile phone makes it easy for professional SLR to operate with complex operation, which is hard for professional cameras to achieve. < / P > < p > for the first time, Apple has chosen a relatively stable path for 5g smart phones. Although it has acquired Intel’s baseband chip business, the iPhone 12 series still adopts the mature solution of Qualcomm. At the same time, in the current smart phones, the iPhone has chosen a relatively stable path Series 12 supports the most frequency bands in the world, and the maximum downlink speed can reach 2gbps. Do you think that the Gigabit fiber fixed network at home is not good? < / P > < p > I ran the network speed with the 5g network of China Unicom. Since the speed limit of Unicom’s 5g network is 500 Mbps, it is good to approach this value. < / P > < p > ran the network speed in two different places. One test point has only 4G network, and the other has full 5g network. In fact, the distance is not far away. This shows that 5g network coverage is indeed a problem. < / P > < p > at the same time, you will find that the delay is also significantly shortened; the 4G delay is generally more than 20 ms, and the 4G delay of iPhone 12 Pro is also shortened. If the delay does not exceed 20 ms, the delay in 5g network will drop to less than 10 ms. < / P > < p > the iPhone 12 series has officially entered the 5g world, and the other significance behind it is to arouse the impulse of one billion iPhone stock users to change their phones. < / P > < p > before the official release of iPhone 12 pro, there were different opinions on how to place the lidar configuration in iPhone. However, from the results, Apple’s processing method is extremely simple and direct. It does not change the position of the three cameras and the flash lamp when the iPhone is 11. Only a hole symmetrical to the top and bottom of the flash is opened under the right telephoto lens to place the lidar, but the hole position of the rear mic becomes smaller. < / P > < p > using the built-in ruler tool to test the recognition reaction speed is obviously faster, and it can quickly identify the edge when scanning a circular object, and provide auxiliary line reference selection and positioning. < p > < p > iPhone 4 is the last iPhone released by Jobs himself. If “old Joe” can see the return of the design of iPhone 12 series, he will be very pleased. Of course, he may not have thought that the world has entered the 5g world. < / P > < p > after more than a week of experience, I didn’t use many of the core upgrades and features of the iPhone 12 pro