20 megapixel Meizu MX4 photo PK Sony Z2 contest

IT 168 evaluation in 20 12, Sony released its mobile phone.

Exmor R CMOS, also known as BSI back-illuminated photosensitive element (later developed into stacked type), the first generation is IMX 135 series.

Sony

The arrival of Exmor R CMOS has greatly improved the photo quality of smart phones. Therefore, Sony

Exmor R CMOS has become the market leader with a market share of over 60%.

Meizu MX 4: 1799 yuan started delivery on September 20th.

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▲ Meizu MX4 photo PK Sony Z2 IMX 135.

IMX2 14 is the mainstream device of camera phone.

IMX2 14 area

Is 1/3.06 inches, and the effective pixel is 135 10000. The photosensitive element with an area of 1/2.3 inches and an effective pixel of 20.7 million has always been exclusive to Sony's own flagship.

▲ Sony Exmor R CMOS is the top photosensitive element in the mobile phone industry. However, the newly released Meizu MX4 finally broke this tradition. Based on IMX220, Meizu MX4 has a built-in 20.7 megapixel camera. Compared with MX3' s 8 million pixels,

Meizu MX4 pixel instantly increased by 150%. therefore

Can Meizu MX4 control this industry's highest specification photosensitive element? Let's take a look at the comparison between Meizu MX4 and Sony Z2.

▲ Meizu MX4 is the first non-Sony model using IMX220. "

Basic camera parameters

model

MEIZU MX4

Sony Z2

pixel

20.7 million

20.7 million

The sensor

IMX220

IMX 147(200)

Photosensitive element size

1/2.3 inches

1/2.3 inches

Pixel element size

1.2μm

1.2μm

hole

f/2.2

f/2.0

Judging from the basic parameters of the camera, Meizu MX4 and Sony Z2 are almost the same. Let's take a look at the real shot comparison.

Intermediate imaging detail

▲ Meizu MX4 (left) Sony Z2 (right) Click to enlarge.

▲ Meizu MX4 (left) Sony Z2 (right),

100% screenshot

Meizu MX4, like Sony Z2, has 20.7 million effective pixels, and the available photo resolution is 5248×3936. Under such a high physical pixel, the air-conditioning guardrail of a distant building can be photographed clearly. In contrast, Meizu MX4 has higher definition. Edge imaging detail

▲ Meizu MX4 (top) Sony Z2 (bottom) Click to enlarge.

▲ Meizu MX4 (top) Sony Z2 (bottom) 100% screenshot

With the support of 20.7 million pixels, the picture details of Meizu MX4 and Sony Z2 are quite good. Even at the edge, the photographed object can still be seen clearly.

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Niguang photography

▲ Meizu MX4 (top) Sony Z2 (bottom) Click to enlarge.

Backlight photography tests the accuracy of photometry when HDR is not turned on. The backlight imaging of Sony Z2 will be brighter, mainly because the dark part is clearer.

Weak light photography

▲ Meizu MX4 (left) Sony Z2 (right) Click to enlarge.

▲ Meizu MX4 (left) Sony Z2 (right), 100% screenshot.

In the dimly lit studio, the author took these two photos, which reflected the different understanding of low-light photography between the two brands.

▲ Sony Z2

(Left) Meizu MX4

(Right) Sony Z2 supports F2.0 aperture, which is one step higher than Meizu MX4. Nevertheless, Sony Z2 raised the ISO value to 400, while Meizu MX4 traditionally tried to lower the ISO value as much as possible. Therefore, Sony Z2 has faster shutter speed and higher picture stability in low light environment. In fact, the noise of Sony Z2 is not much.

Meizu MX4 is a bit conservative in the control of ISO value. In fact, we should have more confidence in 1/2.3-inch IMX220 and boldly increase the ISO value, so as to obtain a more stable picture in low light environment.

"Color reproduction (blue)

▲ Meizu MX4 (left) Sony Z2 (right) Click to see a larger image. The weather is not very good recently, and I barely took some blue sky in the dark clouds and haze. In contrast, the sky shot by Sony Z2 is brighter, but the picture is a little magenta. Meizu MX4 is darker in color, but closer to the real environment.

Color reproduction (green)

▲ Meizu MX4 (top) Sony Z2 (bottom) Click to see a larger image. Judging from the shooting of green plants, Meizu MX4 and Sony Z2 are both natural, and the performance of both models is excellent.

Color reproduction (red)

▲ Meizu MX4 (left) Sony Z2 (right) Click to enlarge. In these two photos, the picture of Meizu MX4 is grayish yellow, and the red part of the poster has obvious light projection. In contrast, Sony Z2 restore is more accurate.

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Indoor white balance

▲ Meizu MX4 (left) Sony Z2 (right) Click to enlarge.

▲ Meizu MX4 (left) Sony Z2 (right) Click to see a larger image. Under the yellow light of the shopping mall, the balance correction of Meizu MX4 and Sony Z2 is good. While avoiding khaki pictures, it also maintains the atmosphere of the scene. Comparatively speaking, the picture of Meizu MX4 is brighter, and the picture of Sony Z2 is a little gray.

"Assessment summary:

As a supplier of photosensitive components and one of the industry standard setters, Sony. In addition to its own experience in developing cameras, Sony also has the technical precipitation of Konica Minolta, plus the strength of cooperating with carl zeiss to produce lenses. Sony's camera ability has been top-notch since the functional machine era. In contrast, Sony Z2 also conforms to this traditional performance.

▲ In the mobile phone mall, the precipitation of Sony camera technology is impeccable.

As the first non-Sony model adopting IMX220, Meizu MX4 has reached the leading level in taking pictures. After all, the advantages of standing on the shoulders of giants are obvious. Among them, the picture details provided by Meizu MX4 impressed me deeply, even surpassing the master's own products. As Bai Yongxiang, CEO of Meizu, said, Meizu fans no longer need to envy users of other brands.

▲ Hardware has gone up, and software optimization is also worth looking forward to.

Of course, judging from the results of comparative evaluation, Meizu MX4 still has a lot of room for improvement. Especially in color reproduction, Meizu MX4 needs more efforts.