Sigma 30mm F1.4 DC DN | Contemporary (Sony E-mount) firmware v03

Sigma · Released Feb 22, 2018 · First seen Jul 5, 2026

v03 is not the latest firmware for the Sigma 30mm F1.4 DC DN / Contemporary (Sony E-mount): the current version is v07 (August 27, 2026). Go to v07

What's in this update

Improved AF performance when the “Eye AF” function is se​lected. Improved AF performance in the peripheral areas in the imag​e, when the “Lock on AF” function is selected. Improved feeling of the MF operation of the lens.

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Other versions for this product

See the full firmware history for the 30mm F1.4 DC DN | Contemporary (Sony E-mount)