Sony unveils new a6400 camera and major firmware updates for Alpha lineup - Videomaker
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Sony released the 2.0 firmware update for the A6400 (Adds real-time Eye AF for animals) – sonyalpharumors
ILCE-6400 System Software (Firmware) Update Ver. 2.00 (Mac) | Sony USA
New firmware update for the Sony A6000 improves AF stability – sonyalpharumors
Sony Alpha A6400 review - Amateur Photographer
Sony a6400 Firmware Version 2.0 Released ! - Camera News at Cameraegg
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Sony A6400 Firmware v2.00 Released - AlphaShooters.com
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Latest Sony firmware update brings Animal Eye AF to the a6400
Sony α6400 - Wikipedia
Sony Announces a6400 and Major Firmware Updates for a9, a7 III, a7R III
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Amazon.com: AODELAN for Sony Remote Shutter Release ZV-1, A7 III, A6400,RX100 VII,A7C,A7SIII,A6600,A7R,A7R III,A6100,A7 III Wireless Remote, Replace Sony RMT-P1BT Remote Commander : Electronics
My Sony A6400 Review | Real World Content Creators Perspective – SonyAlphaLab
Sony unveils new a6400 camera and major firmware updates for Alpha lineup - Videomaker
Sony a6400 Firmware Update Adds Real-Time Eye AF For Animals | ePHOTOzine
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Sony α6400 Firmware Update Enables Real-Time Eye AF for Animals - PhotoBite
Sony A6400 Firmware v2.00 Released - AlphaShooters.com