What are the tips for using Sony a7?

1. There are currently five models of Sony A7 cameras, namely: A

7, A7II, A7s, A7r, and A7rII.

These five different camera models are now on sale from Sony.

2. These five models were released at different times. Some are upgraded products of the previous model;

Some have corresponding technical specifications for a certain use field based on the original ones. Modified and specially released new products.

In general, these five models of products have very different technical specifications and are designed to meet the requirements of different users.

In other words, it is equivalent to five different models of products but they all belong to the same series. They all use the same appearance and structural design as well as some common parts.

3. The main differences between the five models are as follows:

(1) Although the photosensitive devices used are all full-frame, the specifications and pixels are different: A7 has 24.3 million pixels;

A7II is 24.3 million pixels;

A7s is 12.2 million pixels;

A7r is 36.4 million pixels;

The latest A7rII is 42.4 million pixels.

Except for the A7, all devices use back-illuminated CMOS.

(2) Using or not using body five-axis anti-shake technology (regardless of whether using body anti-shake or not, these machines all have lens anti-shake function).

A

7. Not adopted, A7II: adopted, A7s: not adopted, A7r: not adopted, A7rII: adopted

(3) ISO sensitivity The scope is different.

Although the A7s has a lower pixel count, its photosensitive dynamic range is very large, with ISO100-102400.

The latest A7rII has a maximum ISO of 102400.

The rest are within the range of ISO100-25600 or 51200.

(4) The number of focus phase detection points is different.

The latest A7rII has 399 phase detection points, while the remaining models only have 117.

(5) Video shooting quality is different.

Among them, A7II, A7s, and A7rII can shoot 4K videos in XAVCs format.

4. Among these five models, A7 is the most basic early model;

A7II is its upgraded version;

After that, Sony will It is divided into two categories of users: photography and video shooting.

A7s is designed for users who mainly shoot videos, and A7r is designed for users who shoot photos.

The current A7rII should be an upgraded version of the A7r and takes into account video shooting.