These Sony Alpha flagship cameras get massive firmware updates: support for Real-time Recognition AF+, Write Digital Signature, and more
Update: 2025-10-31
Description
Sony's latest firmware update for Alpha One Mark Two and Alpha Nine Mark Three cameras brings significant improvements, including a more accurate autofocus system, new film-inspired looks, and enhanced battery performance. The Alpha One Mark Two focuses on core camera performance, while the Alpha Nine Mark Three offers workflow tools for sports and event shooters. The update also introduces a Write Digital Signature function for movies, a step towards content authenticity. To install, download version four point zero zero from the Creators' App.
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