Samyang AF 135mm F1.8 FE
firmware v4
Samyang · Released Dec 8, 2022 · First seen Jul 5, 2026
v4 is not the latest firmware for the Samyang AF 135mm F1.8 FE: the current version is v6 (January 19, 2026). Go to v6
What's in this update
Improved operation stability of the Astro-Focus Mode
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