How high is Sony a7m2?

After getting the machine, it didn't rain the next day, so I ran to the street and filmed it all afternoon and night to test all aspects of A7M2. As I said, this is a machine that surprises me. In the high-sensitivity test at night, the gap between the first half and the full width of the high-sensitivity performance is definitely different.

When shooting, I used a 28-70 jumper. Small aperture, from F 3.5 to F 5.6, if it is on a half-frame machine, it is almost impossible to shoot the night scene. So when I shoot night scenes, I usually use 22 cakes with strong two-step exposure or 50 1.8 on a half-frame machine, so this time I benefit from the better exposure ability of a full-frame machine than a half-frame machine.

Although I use a small aperture, it is similar to my exposure ability with a large aperture.

I started with IISO modulating ISO3200. Because for the full-width high-sensitivity test, ISO3200 is nothing, but for the half-width machine, ISO3200 is already the upper limit. So, this time I started shooting from ISO3200, and the result made me very happy. 𙌠There are good paintings and perfect details. With this picture quality and a large aperture lens, night shooting is a piece of cake ~

~ I have tested that when ISO is set to a large aperture above 6400 plus F2, the perception of night light has greatly exceeded the visual ability of human eyes at night.

So I don't quite understand why some people say that the liquid crystal extractor is not as good as the optical viewfinder. For example, in a very dark place, even your eyes can't see, how can your optical viewfinder see? But the LCD viewfinder is different, just like your exposure for a long time. You can use the high ISO of a full-frame camera to enlarge the aperture lens. Even if the light is very dim, you can see a bright field of vision on the LCD screen.

This can't be done by optical viewfinder. Optical viewfinder can only be the same as visible light seen by human eyes. The LCD viewfinder can increase the brightness of the picture by increasing the exposure.

In this way, the aperture can be enlarged with high ISO in very dark places, and the night scene with intensity exceeding the sensitivity of human eyes can be captured.

Therefore, the ISO capability of the full-width machine is obviously stronger.

This time, I tested ISO3200, ISO 6400 and ISO 65438+ISO 00000. One feature of Sony's machine is that ISO can be subdivided.

It was already bright when it was set to ISO 10000, so I think Sony is very good.

When your shooting conditions are satisfied and you don't need such a high ISO, you can set it lower.

Canon's does not have these detailed settings.

After some shooting, I personally feel that the quality of ISO3200 is still good, and the details of 6400 are still intact. By ISO 10000, it was still available, but some details were lost.

Maybe someone will ask, why don't I take the test on ISO25600? Although some full-width machines can also produce higher ISO now, it is of little significance. Why?

Because everyone who knows it knows that after the comprehensive is 6400, the picture quality will decline. There is obvious noise.

In my opinion, in fact, the image quality of the whole machine after ISO exceeds 6400 is a mess.

It's all through smearing there.

The so-called "who is better than who in full height" is just a paper test, just like the speed of dual-channel memory in a computer is faster than that of single channel. From the test data, it is true, but when you actually use it, you will find that the difference on paper is actually not much faster than when you actually use it. Which is faster than which?

So my tests are all based on actual combat tests, that is, what level the final filming effect can reach.

I didn't mean to brag. I can even play half of ISO6400, not to mention the high feeling of playing the whole ISO25600. But does it make sense?

Although I can also make ISO6400 with half a movie, which one can make such a high-quality movie without any relationship?

Generally speaking, it is better to fill the light or use a flash, and few people will use high ISO to shoot films.

If it weren't for testing the high sensitivity performance in real shooting, I would definitely not shoot with such a high ISO. In addition, there is another factor. Probably, when you see my high ISO film, you will think that the picture quality can be so good. Why doesn't the same machine perform so well in your hands? In fact, the reason is very simple, because my films are good and my equipment is well used, it doesn't mean that you have my level. I still remember when I first started playing photography and bought my first card machine. As soon as I got it, it happened to be night, I quickly opened it and took pictures. As a result, the picture quality was really poor, and I thought, why, before I bought it, I saw that the quality of the films made by others with this card machine was so good, but I used it so badly? Later, I realized that I had turned ISO up. It's strange that the quality of such a small bottom card machine with high ISO is not slag. So you can easily wear out the equipment. If you don't believe me, you can buy a medium-sized machine and then adjust the ISO to the limit of this machine, and the film you make is just as bad. Therefore, when you understand the equipment and use it well, you can give full play to the capabilities of the equipment. Otherwise, no matter how good the machine is, it will be scum in your hands. So, don't be surprised when you see that I can make such a prominent and high-quality film in Quan Huafu. You won't wonder why you can't take such a good picture with an A7M2 in your hand. Because I used to use half of the night scenes so well, not to mention the whole one now. So I didn't look at the parameters on paper like evaluation, but at the final film effect in actual shooting. So A7M2 makes me feel very satisfied. I don't know what others think of this machine, I'm just talking about my personal experience. After all, everyone has a different opinion. I'm just saying my opinion. Here are the samples and equipment films. Keep all parameters,