Looking back at the past year，The development of mobile phone images has achieved many impressive results，It is no longer limited to a simple social life，Finally began to become more professional、Advance in more artistic and creative fields，Leave a very deep impression on us。
True，Although mobile phone imaging is getting stronger every year，But until today it is hard to say that there is the capital to challenge professional cameras。After all, due to limited body size，Smartphones cannot accommodate larger photoreceptors，This has become a dead end to the development of cameras。
But look rationally，Smartphones are not just recording tools after all，I can understand the camera level，Just as a consumer，Hopefully it's getting stronger and stronger is true。
Fortunately，According to the development laws of smartphones，The flagship products in the new year are bound to have further breakthroughs in imaging，It will also bring more surprises to fans。
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For example, recentHuawei P50 seriesThe news that it will be the first to be equipped with a liquid lens has been heard all the time，Although the reliability of the news is still questionable，But it's not groundless。In fact，As early as April last year，China's National Intelligent Property Office has granted Huawei a motor assembly called "driven liquid lenses"、Patents for camera modules and electronic devices，Although it is said to be "components".、Module, not "lens"，But there is a message between the lines：Liquid lenses in mobile phones do exist。
SoWhat is a liquid lens?I believe many friends heard this news，Another question mark on your head：What is a liquid lens?
Answer what is a liquid lens，First we need to understand how the lens achieves zooming。well known，Optical zoom is the real lossless zoom technology，Lenses that support optical zoom are usually zoom lenses rather than fixed focus。But as mentioned earlier，How big is the mobile phone，There is no room for lens modules to move back and forth，Very limited zoom distance。
but even so，Mobile phone manufacturers are not helpless，For example, some mobile phones have installed a huge zoom lens on the body，Looks exactly like a card machine，The representative product is Samsung Galaxy Zoom K。In recent years，Periscope zoom technology is gradually emerging，Fold the light skillfully，Change the "width" of the mobile phone to "thickness"，It also achieved 3 times、5Time or even 10 times lossless zoom，This is true for the 10x optical zoom equipped with Huawei P40 Pro+。
Through the above example，I believe friends may have discovered it，The premise of optical zoom is whether the path length of the optical path transmission can be provided between the lenses.，The fixed-focus lenses cannot move between them，Therefore, the optical path length is constant，Unable to achieve zoom。Although the periscope zoom lens still belongs to the fixed focus category，But the light path is long enough，This also has the ability to achieve fixed-level zoom。
So what exactly is a liquid lens?Actually，The patent principle is not difficult to understand，It's between two traditional lenses，Add a liquid fixed lens group，The lens medium was replaced by glass to liquid，But the principle remains unchanged，After all, liquids also have extremely strong light transmission。What's different is，Glass media cannot change its own radius of curvature，But liquid can。
For example, some patented technologies use voltage to change the shape of the liquid crystal.，For example, bulge、gentle，Or shrink、Slack and so on，When the lens set is not moving，You can increase/decrease the radius of curvature of the lens，Then change the light path，Achieve zoom in large focal length，It also supports fast and continuous infinite zoom。
What are the advantages of liquid lenses?The emergence of liquid lenses，Very well alleviates the volume of lenses during traditional optical zooming，Especially on devices like mobile phones, where space is limited，With liquid lens，It can reduce the weight of camera components to a certain extent，Even realize multi-use in one-scenes，Further reduce the thickness and weight of the phone itself，It is easier to make it lighter。
It is worth mentioning that，Since there is no need to take up too much space，Liquid lenses may also change the problem of bulging of the phone's camera module，Realize true integration，No sense of abruptness，Will smartphones have a more beautiful design plan?
Second，Liquid lenses and mechanical lenses are essentially different，The power consumption is much lower than that of the latter，Keep it focused without high voltage or other mechanical devices，Only a little energy is needed to drive，In theory, it will save more electricity，Indirectly contribute to improving mobile phone battery life。also，Because there is no more complex mechanical execution structure，It also means that the liquid lens structure does not have too many movable internal components.，Less likely to develop mechanical disorders，Stability is better than the latter。
at the same time，Liquid mirrors can be like human eyes，There is no traditional mechanical structure in the focus system，No need for lens set to move back and forth，Instead, the shape of the droplet is adjusted by the input voltage changes.，This provides the possibility to achieve millisecond-level focus，And the film rate is as high as 100 %。It can be said，Through the liquid lens，No matter how far the object is from the camera，Imaging systems can change the focus plane within millisecond range，Provide clearer images。
in addition，Liquid lenses also have large aperture characteristics，Able to adjust automatically，The focus distance can be adjusted in a large range，So there is still a very good shooting effect in dim and bright light。In addition to the above advantages，Liquid lenses will also bring a wider zoom range and focus，From macro to long view，Everything is in the camera。
anyhow，Liquid lenses have lighter weight、Accurate and fast focus、Clear shooting quality、Advantages such as wide zoom range，For smartphones，This is not only a brand new lens technology，It is also an innovation in lens technology，Subverts the focus principle of traditional lenses。
No matter what you say，Liquid lenses are a new technology for mobile phones，Whether it can be used quickly is still unknown。But what you can do is，If liquid lenses come true in commercial use，Perhaps it means that "one mirror is used multiple times" is not far away，For users who have long been accustomed to the layout of mobile phone multi-monitors，This will be a very cognitive thing.。
certainly，Naturally, it's more conservative now，Although liquid lenses have a number of advantages，But there are also dispersions、Problems that need to be solved urgently, such as distortion，In this short time，It may be difficult for us to see the emergence of "one-scene multi-usage" products。
And before，There are indeed big Weibo Vs who have reported that，Liquid lenses will be used in the telephoto end in the early stage，This undoubtedly confirms once again that even if the liquid lens really appears，Mobile phone wide angle、Two ultra-wide-angle lenses are still indispensable。
And everyone needs no disappointment，Although the development of liquid lenses is "only one stroke"，Many people may not even hear about it before；No matter how "one mirror is used multiple times"，Or only for telephoto end，One thing that can be confirmed is，It's not too far away to use a liquid lens on your phone，After all, the liquid lens is in the telescope、Medical endoscope、High-end professional fields such as cameras have long been commercialized，Even if there is no comparison between different fields，But it still has reference value，Everyone just need more patience。
Mobile phone photography technology develops to 2020，It seems to be in a bottleneck state，In "Shut the bottom"、"Super Telephoto" and other operations are commonplace，It is also necessary to stimulate the development of the industry。
no doubt，Liquid lenses are suitable for this role，It has extremely fast focus speed，Larger zoom range，Advantages of smaller space occupancy，It's very suitable for the phone，Its future still has great potential，Even said it can lead image transformation、It is also possible to become a new killer technology。
anyhow，For liquid lenses，I still have a positive attitude，On the one hand, I hope there is such a technology，Can improve the mobile phone image efficiency again，Improve user experience；on the other hand，As a mobile phone enthusiast，What else is more fortunate to witness new technologies triggering industry changes，Is something more anticipated?