Samyang AF 50mm F1.4 FE II

Samyang AF 50mm F1.4 FE II firmware

Samyang · AF 50mm F1.4 FE II · Lens

Latest firmware for the Samyang AF 50mm F1.4 FE II is v3 (January 19, 2026).

Specifications

AF 50mm F1.4 FE II specifications

Focal length
50mm
Maximum aperture
F1.4
Minimum aperture
F16
Type
Prime Lens
Filter thread
72 mm
Elements / groups
11/8
Aperture blades
9
Closest focus
0.4 m
Maximum magnification
0.16×
Stabilisation
No
Autofocus
Yes
Mount
Sony E, Sony FE
Weight
420 g
Dimensions
88.9 × 80.1 mm

Changelog

AF 50mm F1.4 FE II firmware changelog

  1. v2 v3

  2. v2 first tracked

Firmware history

  1. Version 3 Latest Released Jan 19, 2026 First seen Jul 5, 2026
    Show release notes

    Improved Operational S​tability with the Sony α7 V(a7M5) Enhanced stability ​and reliability for AF-S mode and overall lens operation

    Release notes & download
  2. Version 2 Released Dec 6, 2023 First seen Jul 5, 2026
    Show release notes

    Improved AF-C ​performance on Sony α7CII, α7CR, α6700,​ and FX6 Added AF Assist function

    Release notes & download

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