On April 15, it was reported that Sony recently launched a small version of A7R3A and A7R4A, which are full frame microsheets of A7R3 and A7R4. At present, the price of its national bank has also been announced (not yet open for purchase). The price of A7R3A and A7R4A is 17399 yuan and 22499 yuan respectively, 1000 yuan more than that of A7R3 and A7R4.

The 1000 yuan upgrade is mainly due to the display screen. The number of pixels of its 3-inch LCD (foldable) screen has increased from 1.44 million to 2.35 million, which can be said to be the screen with the highest display precision among Sony α series microsheets. The Sony logo below the screen has been removed.

In addition, the USB-C interface is upgraded to USB 3.2, which supports 5Gbps bandwidth. However, due to the increase in the number of screen pixels, the endurance is slightly "reverse upgraded", and the nominal number of consecutive photos taken by A7R3A/A7R4A when using screen viewfinder is reduced by 10.

Other parameters are the same as those of the original A7R3 and A7R4. The A7R3A is equipped with 42.4 million pixel full frame CMOS, supports five axis body anti shake, has 399 phase focusing detection points, supports 10 consecutive shots per second, and supports up to 4K 30fps video recording; A7R4A is equipped with 61 million pixel full frame CMOS, supports five axis body anti shake, has 567 phase focusing detection points, supports 10 consecutive shots per second and 15 level dynamic range, and supports 4K 30fps video recording.

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