Fujifilm GFX100SII, X100VI, X-S20, X-T50, and X-T5 firmware updates all address the following issue: The AF algorithm has been partially revised to improve focusing accuracy and subject-tracking performance. Fujifilm GFX 100S II Firmware Ver.1.10 Download Here Fujifilm X100VI Firmware Ver.1.20 Download Here Fujifilm X-S20 Firmware Ver.3.10 Download Here Fujifilm X-T50 Firmware Ver.1.10 Download Here Fujifilm … Continue reading Fujifilm GFX100SII, X100VI, X-S20, X-T50, and X-T5 Firmware Updates – New AF Algorithm