Leica SL2-S firmware v6.3.0

Leica · First seen Aug 7, 2026

v6.3.0 is the latest firmware for the Leica SL2-S.

What's in this update

LEICA SL2

LEICA SL2-S

FIRMWARE UPDATE 6.2.0

EXTENDED FUNCTIONALITY

  • The new M lens (Noctilux-M 35 f/1.2 ASPH.) is supported.

IMPROVEMENT

  • Leica SL2-S: Improved visibility of focus peaking in magnified view during manual focusing in video mode.
  • An issue has been resolved where, under certain c​onditions, the battery could drain while the Bluetooth/Remote Wake-up function was enabled, even though the camera was turned off.
  • An issue with vignetting correction when using the Noctilux-M 50 f/1.2 ASPH.that could lead to overcompensation has been resolved.
  • An issue where manual focus might not be available in video mode with certain L-moun​t lenses has been resolved.
  • An issue has been resolved that could cause image artifacts at the bottom edge of DNG files when using Adobe Camera Raw AI Denoise.
  • An issue with the accuracy of the T-stop display in Cine mode with certain L-mount Cine lenses has been resolved.

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Other versions for this product

See the full firmware history for the SL2-S