The first 1-inch telescopic lens! Interpretation of Huawei Pura 70 Ultra telescopic lens concept

Huawei Pura 70 series finally launched the Pioneer Plan yesterday, and the editor also got started with this product as soon as possible. As time goes by, the information on the disassembly of Huawei Pura 70 Ultra on the Internet becomes more and more detailed, and I am able to understand this product from a more comprehensive perspective.

It can be said that Pura 70 Ultra is the ultimate expression of Huawei’s persistence and paranoia. It is the first flagship phone after its rebirth that can be called comprehensive in terms of product strength.

The biggest innovation of Huawei Pura 70 Ultra this time is the retractable camera module, and on this basis it supports IP68 dust and water resistance. When I first saw the promotional video, I thought Huawei had given the main camera of the Pura 70 Ultra the ability to zoom through a retractable structure.

But after getting started, I found that the retractable structure is only to serve the thickness of the lens module, and in fact, in comparison with mainstream imaging flagships, the thickness of Huawei Pura 70 Ultra is only compressed compared to competitors. 1mm to 2mm, so I was a little disappointed when I first started using it.

But after learning more about it, I learned that Huawei has brought sensor-level performance to the 1-inch sensor of the main camera through the spatial redundancy brought by the scalable structure. Displacement anti-shake. Compared with the OIS optical image stabilization commonly used in domestic mobile phones, sensor displacement image stabilization has a better effect.

OIS optical anti-shake mainly relies on the floating between the lens and the lens group to offset external tremors. Limited by the small range of movement of the lens, OIS optical anti-shake can provide very good anti-shake effect. Limited, and with the change in the position between the lens group and the lens, OIS optical image stabilization will affect the optical quality of the camera and reduce the quality of the shot when it is enabled.

Sensor displacement anti-shake uses the movement of the sensor itself to offset external vibration effects without affecting the optical properties between the lens group and the lens. It is usually used in professional digital cameras. Apple also equips the iPhone 12 Pro Max with a similar anti-shake configuration, which is why Apple phones are more stable than competing products in video recording.

The sensor displacement anti-shake of Huawei Pura 70 Ultra adopts a similar implementation method to that of the iPhone, but the iPhone uses a customized version of the small-bottom CMOS with a relatively controllable volume, while Huawei uses a 1-inch outsole COMS equipped with a variable aperture structure. We can see the difficulty of implementation behind it. I believe that after equipped with this technology, Huawei Pura 70 Ultra's low-light shooting and video recording capabilities will be much better than the Android and Apple camps.

At the same time, the redundant space left by the telescopic structure is also to pave the way for subsequent models. The 1-inch sensor was actually used by Xiaomi 11Ultra 4 years ago, but due to its excessive size, various manufacturers The sensor size of the flagship phone remains at 1 inch.

Even so, the thickness of each mobile phone lens module this year is already exaggerated, and any larger size will seriously affect the holding experience of the mobile phone. Huawei's scalable structure provides conditions for mobile phones to be equipped with larger image sensors. Breaking through 1 inch should be achievable in the next few years.

Huawei cleverly uses the deformation of rubber to solve the two major problems of fixing and waterproofing the retractable lens. It also solves the problem of shaking and abnormal noise when the phone is equipped with a large-size sensor and OIS anti-shake module. problem, three problems were solved at once. The sophistication of the design is amazing.

Moreover, the retractable structure has also successfully offset the increase in the thickness of the lens module caused by the variable aperture structure. It is not just a variable aperture structure. Be bold and imagine, built-in ND filters, built-in UV mirrors and other structures that only appear in the field of professional photography may be successfully transferred to mobile phones through the space redundancy brought by the scalable structure. Huawei Pura 70 Ultra’s attempt at new structure brings unlimited possibilities for future mobile photography.

When Huawei Mate 50 was released 3 years ago, there were many doubts on the Internet: "Why is the lens using the IMX766 sensor so convex?", "Is the variable aperture structure really useful? "It will increase the thickness of the camera module a lot", "Now that the size of the IMX766 with the variable aperture is so large, can I still use the outsole sensor without affecting the feel?" Three years later, Huawei responded fiercely to the doubts with Pura 70 Ultra.

The scalable structure seems to be the ideal answer for the current version of mobile phone imaging. While maintaining the thickness, it provides space guarantee for larger lens sensors and more professional accessories in the future, and is perfectly connected. The variable aperture structure that Huawei laid out early has blurred the boundary between mobile phones and cameras.

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