In the past few years，The camera function part of smartphones is growing very fast，in pixels、image sensor、Under the application of a series of advanced technologies such as autofocus and imaging algorithms，The competition of mobile phone images has also entered a white-hot stage。In such an environment，There is still a manufacturer named Sony that still insists on its own philosophy，Made an "alternative" camera flagship with a breakthrough selling point - Sony Xperia 1 IV 。
As a new generation of Sony mobile phone technology flagship， Sony Xperia 1 IV inherited the Sony micro-single、television、A number of cutting-edge technologies in different fields such as audio，Continue to empower products with One SONY's philosophy，for video creators、music enthusiast、Movie lovers and gamers，Bring a better integrated experience。
in，The high-speed three-camera system is equipped with the world's first 85-125mm mobile optical zoom lens (the previous generation). Xperia 1 III 70-105mm)，Coupled with faster focus and continuous shooting, Sony's pursuit of "speed"-based shooting experience has maximized。
Sony Xperia 1 IV contains many new features and improvements，In terms of photography, a huge upgrade has been carried out on the basis of the previous generation.，Equipped with a telephoto lens that can achieve continuous optical zoom and achieve 4K 120fps HDR video recording for all three lenses。
Sony Xperia 1 IV is equipped with three rear cameras，Each camera is upgraded to use the Sony Exmor RS image sensor。The main camera is equipped with a 24 mm equivalent focal length lens，Features F1.7 aperture and optical image stabilization FlawlessEye™ technology，Ultra wide angle is 16mm focal length，1/2.5 inch sensor with F2.2 aperture。
Finally, the world's first 85-125mm optical zoom lens，With variable F2.3-2.8 aperture and 1/3.5 inch，Using optical image stabilization FlawlessEye™ technology，The zoom uses a periscope design to provide true optical zoom throughout its range。
Three-camera four-focal segment imaging system，On previous generation Xperia 1 III basis，The focal length of the optical zoom is extended to 125mm，High resolution and accurate focus speed can be maintained when switching focal lengths，Makes composition more flexible when shooting。
functionally， Xperia 1 IV provides real-time eye AF and real-time tracking for still photo and video capture。With the 3D iToF sensor on the back, it can detect the distance of the subject faster，and fast track it。
In addition to faster focusing，Xperia 1 The IV also captures full-resolution images at up to 20 frames per second，And use 60 AF/AE per second on all three rear cameras。Each lens has a Zeiss T* coating，Ability to produce sharp images，and minimizes the impact of light reflections on the lens。
when filming，Sony combines artificial intelligence technology with automatic white balance system，Improves color accuracy and rendering。You can see the very restored proof effect in the actual shot proofs，Whether it is the presentation of color or details, we strive to be the closest to reality；
Different from common mobile phone post-modification proofs，Sony rarely brings some rich color retouching，Although it's not that bright，However, it also provides more room for later revisions.，If you save in RAW format when shooting，You can also further adjust the photo to the style you want。
video shooting，The Sony Xperia 1 IV Records native 4K video at up to 120 frames per second per lens。Thanks to the excellent ISP of Qualcomm Snapdragon mobile platform and Sony's technology accumulation in imaging，Multi-frame HDR per lens sensor；
That is, combining consecutive frames of different brightness levels together，to produce video with wider dynamic range。Videos are saved in HDR format using wide color gamut and HLG encoding。This means that when viewing on the phone itself or on an HDR display，Video will have a wide dynamic range output。
Sony Xperia 1 Another great new feature of the IV is live streaming via the Videography Pro app。This function undoubtedly provides a very convenient solution for the rapidly developing short video and live broadcast needs.，Use to stream video from your phone to video platforms or other services without connecting to other accessories or devices。If the user has a compatible Xperia 1 IV's Sony Alpha Camera，Can be directly connected to mobile phones as a 4K display and live broadcast device，A more advanced live broadcast effect display can be achieved through simple matching and connection。
Appearance design
In updates over past generations， Sony Xperia 1 The design of the series of mobile phones has also maintained a distinctive style。 The Sony Xperia 1 IV has also made a number of adjustments to the appearance，The more square design style also bears a lot of shadows from the previous Z series。
Appearance，Xperia 1 The IV is completely different in design from most phones on the market，Continuing Sony's unique 21:9proportional screen，Slim body proportions make it easier to hold。Compared to 2.5D surfaces， Sony Xperia 1 IV has flat bezels and screen，tough and concise，Returns to the pure flat design style of the previous Z series。Although the tough excessive style is a little awkward，However, the narrow body size and the weight of only about 185g still keep the overall feel in a relatively comfortable range。
The fuselage is equipped with a 4K HDR OLED 120Hz screen，The highest peak brightness is about 50% higher than the previous one，It also greatly improved the look and feel of the screen that users criticized for not being bright enough before.，1000The peak brightness of nit makes it clear even in sunny outdoor environments。
6.5 inch OLED display，Resolution is 4K refresh rate 120Hz，Aspect ratio of 21:9。This slender film-scale screen，Provides a full-screen viewing experience with no black borders up and down。4The peak brightness of K resolution of 1000nit is even better, which improves the experience of the delicate look and feel of the screen.。entertainment，More than just 120Hz ultra-high refresh，With 240Hz touch sampling rate，Great help for gaming experience。
Thanks to Sony's own TV's X1 mobile engine technology， Sony Xperia 1 IV continues to apply BRAVIA HDR restoration technology to video content，even watching streaming content，It can also improve the contrast of the entire video。
With real-time HDR driving capabilities，even in bright viewing environments，By analyzing the brightness and color of each frame，Optimize picture detail in bright and dark areas of video，so as to present a scene close to the real。
audio， Sony Xperia 1 IV features new speaker drivers and new enclosure structure，Raise the volume，Also improves bass performance，The playback effect is more three-dimensional than the previous generation，better sound quality。
Sony Xperia 1 IV retains the 3.5mm headphone jack，Can play audio directly from external headphones，At the same time, the stereo sound effect is upgraded to 360 live sound，Support Dolby Atmos DOLBY ATMOS and Hi-Res high-resolution audio playback，user through stereo speakers or headphones，You can enjoy balanced and excellent stereo sound at any time。
Further build localization capabilities
Since October 2021，Since the cooperation between Sony and Meizu，The upgrade of the localized user experience of Xperia series mobile phones，Recognized by the majority of users。The latest release of Xperia 1 IV also provides a more complete system upgrade，Better meet the localization needs of Xperia users。
This system upgrade，On the basis of keeping the system close to native Android，Sony Further Complements Mobile Localization Experience。 Xperia 1 IV Pre-installed Flyme Adapt to Flyme's App Store、Mail、weather、news，Also joins Flyme for the first time for Xperia 1 Negative screen for IV adaptation、Gallery、information、Cooperation content of voice assistant and safety center。
The Sony Xperia 1 The biggest upgrade of the IV system is the addition of a negative one-screen information display，Provides a variety of shortcuts，such as information search、scan it、payment code、Express Tracking、To-dos and repayment payments, etc.。Embedded Flyme SMS APP can automatically classify notification SMS and personal SMS，It can also automatically extract SMS verification，User-friendly daily use。Security Center makes it easier and faster for Xperia users to filter spam messages、Spam calls，When you can't find your phone，Remote location assistance is also available。
Although these localized upgrades have already been applied in mainland domestic mobile phones，Still, it's a huge improvement for Sony.，Based on the new Android 12 native Android system， Xperia 1 IV system provides a wealth of Flyme application adaptation blessings，More suitable for domestic users' usage habits，A leap in experience for everyday use。
Flagship configuration battery capacity upgrade
Sony Xperia 1 IV powered by Qualcomm Snapdragon 8 Gen1 mobile platform，This is also the 8 series flagship platform launched by Qualcomm in the first half of this year，It can be said that it is the standard of the current Android flagship，Supports both 5G and Wi-Fi 6，Provides performance guarantee for the use of the whole machine。
In order to match higher performance and overall power consumption，Sony also offers for the Xperia 1 IV upgraded 5000mAh high-capacity battery，About 50% charge in 30 minutes with fast charging，This battery supports overcharge protection、Qi wireless charging and reverse wireless charging capabilities。
In general， Sony Xperia 1 IV The phone still maintains Sony's image and design characteristics，The variable optical zoom lens and full-lens 4K 120fps video recording function are industry-leading。on the screen、speaker、Core performance and battery have been upgraded to a certain extent，Maintaining the performance of flagship mobile phones while also providing a better user experience。
even so， Sony Xperia 1 IV is very different from the current mainstream mobile phone market products in terms of design and function，It pursues parameters and configuration while，always has its own perseverance，Such as their own traditional 4K screen、A more restored way of tuning the camera、Adhere to the rectangular design of the upper and lower foreheads、Stick to the 3.5mm headphone jack, etc.。And this persistence allows us to see more new possibilities for mobile photography。
About Sony Xperia 1 Please check the IV game performance and charging endurance evaluation section《Sony Xperia 1 IV evaluation：The Changes and Changes of the Image Flagship"A sentence。
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