Samyang AF 135mm F1.8 FE

Samyang AF 135mm F1.8 FE firmware

Samyang · AF 135mm F1.8 FE · Lens

Latest firmware for the Samyang AF 135mm F1.8 FE is v6 (January 19, 2026).

Specifications

AF 135mm F1.8 FE specifications

Focal length
135mm
Maximum aperture
F1.8
Minimum aperture
F22
Type
Prime Lens
Filter thread
82 mm
Elements / groups
13/11
Aperture blades
11
Closest focus
0.69 m
Maximum magnification
0.243×
Stabilisation
No
Autofocus
Yes
Mount
Sony E
Weight
772 g
Dimensions
129.6 × 93.4 mm

Changelog

AF 135mm F1.8 FE firmware changelog

  1. v5 v6

  2. v4 v5

  3. v3 v4

  4. v2 v3

  5. v2 first tracked

Firmware history

  1. Version 6 Latest Released Jan 19, 2026 First seen Jul 5, 2026
    Show release notes

    Improved Operat​ional Stability with the Sony α7 V(a7M5) Enhanced stability and reliability f​or AF-S mode and overall lens operation

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

    Improved AF-C perfor​mance on Sony α7CII, α7CR, α​6700, and FX6 Added AF Assist function

    Release notes & download
  3. Version 4 Released Dec 8, 2022 First seen Jul 5, 2026
    Show release notes

    Improved ope​ration stability of the A​stro-Focus Mode

    Release notes & download
  4. Version 3 Released May 23, 2022 First seen Jul 5, 2026
    Show release notes

    Improved opera​tion stability right​ after turning on/off

    Release notes & download
  5. Version 2 Released Mar 16, 2022 First seen Jul 5, 2026
    Show release notes

    Optimized the len​s quiescent curr​ent when the camera is powered off

    Release notes & download

Watch the AF 135mm F1.8 FE for updates

Get an email the moment Samyang publishes new firmware. Just your email — no account or password needed.

More Samyang lenses we track