Sony has just released the firmware update version 5.0 for Sony a9. Here are first real world autofocus tests of Sony a9 with firmware version 5.0. Sony a9 is currently $500 off at Amazon/B&H Photo/Adorama.
The previous announced Sony a9 firmware update version 5.0 will be officially released and available for download on March 25th, 2019. Sony a9 is currently $500 off at Amazon/B&H Photo/Adorama (According to B&H, $500 instant rebate will be expired tonight midnight.)
The datasheet of IMX310 Exmor R sensor now has already leaked online. This Exmor R sensor has used on the Sony a9 (WW361847). From the datasheet, we can see that IMX310 sensor has 16 Bit, Global Reset Shutter, and on-chip dual gain HDR 96dB dynamic range.