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20.7 megapixel G lens Sony Xperia Z1 shooting evaluation
Igao7 Oracle 2014-11-12 18:47

Sony Xperia Z1 is equipped with the strongest 20.7 million pixel G lens of Sony mobile phones, 1/2.3 inch Sony Exmor RS Stacked sensors. In addition, it also has triple lossless digital zoom, equipped with Snapdragon 800 high-speed processor, and can use the time shift function to take 61 photos in 2 seconds so that you can choose the best one. Now let's experience the shooting ability of Xperia Z1!

 

Capture interface

The shooting interface and camera settings of Sony Xperia series are not friendly.

 

Click the "M" icon in the lower right corner to call out other shooting programs.

 

Click "Application" at the top right to update some official Sony shooting applications.

 

What's more, we need to reduce the photo resolution to 8 million pixels to adjust the shooting scene.

 

Scene selection. If you don't turn on 8 million pixels or less, there is no choice.

 

If you don't reduce 8 million pixels or less, even HDR can't be turned on. These settings are really unreasonable. In addition, there are HDR modes in the scene, and camera settings also have an HDR. This design is complex and repetitive, which is easy to confuse people.

 

day

Xperia Z1 has a large aperture of F2.0, and the minimum ISO can reach 50. Low ISO ensures low noise.

 

Moreover, it has 20.7 million ultra-high pixels, and the sample resolution is also good.

 

However, the large aperture will also be criticized. The surrounding of the sample is not so clear and sharp, and the edge details will have a sense of smearing.

The larger the aperture is, the clearer the focusing range of the image will be. This problem will be more serious on mobile phones. I have written about this before, and if you are interested, you can go and have a look《 Science popularization: influence of aperture size on depth of field

 

 

In addition to manual shooting mode, Xperia Z1 also has automatic mode, which can automatically identify scene mode shooting. This picture is in manual mode, using the maximum of 20.7 million pixels.

 

This is the automatic mode. The scene is recognized as a landscape. Compared with the normal manual mode, this mode improves the contrast of the picture, and the color is more colorful and flattering. However, the pixels will be reduced to 8 million pixels. The mode you like depends on your preference.

 

Normal mode shooting.

 

Automatic mode shooting, which is recognized as landscape mode, makes the same picture more colorful.

 

This is the 100% screenshot comparison of the above two pictures( Click the picture to enlarge )Of course, the magnification of 20.7 million full pixels will be larger than that of 8 million, but there is a strange phenomenon that the detail sharpness of the full pixel picture is not as good as that of the 8 million picture. Of course, this is not the case for all samples. The focus of some samples is still clear, which is caused by the problem of Sony Z1 focusing algorithm. Although focusing is fast, the accurate success rate of focusing is relatively ordinary. Sometimes it is impossible to focus repeatedly, or it is already focused correctly, but it will focus again when the shutter is pressed, so that it is easy to lose focus during shooting. What is most incomprehensible is the prompt that the focus is not completed by touching the focus button. You must use the shutter key to focus before the focus is successful, and the focus box turns blue

The picture shows a screenshot of the focus box turning blue after focusing. If you do not focus with the shutter key, you will not be prompted.

More daytime photos:

Normal mode.

 

Automatic mode (landscape).

 

Normal mode.

 

Automatic mode (landscape).

 

Normal mode.

 

Normal mode.

 

Normal mode.

 

In normal mode, it's almost evening.

 

HDR

Normal mode,

 

After reducing the resolution to 8 million, start HDR mode shooting. After HDR is turned on, the overall tone is green, and the color is much lighter than that of the normal mode.

 

Normal mode.

 

In HDR mode, although there are more details under shadow, the tone is still green.

 

Normal mode.

 

When the automatic mode is used, the scene is automatically recognized as HDR mode. The effect is the same as that of manually turning on HDR mode. The editor just wants to test the accuracy of scene recognition. After some simple scene tests, the accuracy is acceptable.

 

Normal mode.

 

In HDR mode, it is still green.

 

Macro

In terms of macro, Sony Z1 performs well, with accurate color restoration and acceptable details.

 

 

 

This is a 100% screenshot of the above figure. It is good to restore details.

 

Nightscape

Normal mode.

 

Reduce to 8 million pixels and turn on night view mode. After it is turned on, the ISO will be relatively reduced, and the image purity will be improved, but the image brightness will also be reduced.

 

Normal mode.

 

The night view mode of 8 million yuan is also used to improve the image purity by reducing ISO, but the image brightness will also be reduced.

 

Normal mode.

 

In the night view mode, the brightness of the screen will be reduced after it is turned on.

 

Normal mode.

 

In fact, I think that if the surrounding light is not too bright, it is not necessary to turn on the night view mode to shoot the night view. The night view taken in the normal mode is already good. If the light is too strong, turn on the night view mode properly, and weaken the ISO will have a good effect.

 

Normal mode.

 

This is a 100% screenshot of the above figure. The ISO is high and the noise is obvious, but the details are good and acceptable.

 

Night view mode.

 

Triple zoom

As long as the maximum 20.7 million pixels are turned on, you will see a gray area in the front half of the zoom bar when using the zoom. The zoom in this area can be said to be lossless, and it will be damaged after passing.

 

This is the contrast photo after shooting with no zoom and triple zoom. I originally thought that triple zoom should also be the same low pixel sample output after lossless digital zoom as the Nokia Lumia 1020. Later, I searched the sample information, and the resolution of both photos was 5248 * 3936, that is, both photos were 20.7 million pixels in size.

 

Xiao Bian magnified the sample without zoom to the same size as the 100% screenshot after triple zoom. From this screenshot comparison, it can be seen that the triple zoom of Sony Z1 is not simply to interpolate the picture to 20.7 million pixels after zooming, but to further sharpen the details. This triple zoom is more practical. The picture can be enlarged by clicking it. If you want to see the details, you can click it to enlarge.

 

Features

Sony Z1 camera comes with different filter functions.

 

Nostalgic filter, good effect.

 

Local color filter: click the color of the scene on the screen to automatically identify it. For example, click the sky to automatically identify the screen. Only blue scenes will be recorded, and the rest will be black and white.

 

AR camera, including different scenes.

 

After selection, the camera will automatically select some targets on the ground as fixed points generated by the virtual scene. A slight overhead angle (that is, the ground accounts for a large proportion of the picture) will have a better generation effect.

 

The effect of looking down on the elf is also very good.

 

In the ocean scene, the AR camera is a magic tool for children. When I was testing the AR scene Fart The child kept clamoring his mother to buy this thing.

 

Time panning: take 61 1920 * 1080 pixel photos in two seconds, and then let you choose the best one, which can be regarded as a magic tool for continuous shooting, and the animation effect of the selected photos is also amazing.

 

video recording

Although Sony Z1 can't find whether it has anti shake effect on the official website, it has electronic anti shake effect after experience.

Here, the editor briefly recorded a video comparing with the anti shake shooting of the Samsung GS4 video. Later, he also recorded the refocusing situation mentioned above by the editor. If you are interested, you can have a look.

 

summary

Sony Xperia Z1 uses the stack camera with the strongest pixel at present. The effect of the samples taken in the daytime is very good. The picture details are sharp, but sometimes the focus is not accurate. It is better to take more photos. Although HDR has effect, the overall color always tends to be green. I feel this effect is really sorry for the stack camera that Sony has been actively promoting. The macro effect is good, the color is true, the details are clear, and the background is also natural. The effect of night scene shooting is also good. If the surrounding light is not too bright, you don't need to turn on the night scene mode to shoot the night scene. If the light is too strong, properly open the night view mode, and reduce the ISO will have a good effect. The filter provided by Z1 has a good effect and many styles. Generally, the filter used for shooting can also be basically satisfied, which saves the trouble of adding filters later. The experience of AR camera is also good, but it's just for personal play. It's a magic tool to coax children. The time translation function is very good, and the sharpness of snapshots is also good. Although the resolution is not large, it is still enough for social sharing. The video shooting ability is good, the anti shake effect is practical, and the auto focus during shooting is also sensitive. On the whole, it has improved a lot compared with Xperia Z, which was contacted by the previous editor, but there are still some shortcomings in some small areas, such as focusing accuracy and HDR performance. I hope Sony's firmware will have better optimization effect in the future.

 

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