18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary (SIGMA SA-mount) firmware v1.01
Sigma · Released May 17, 2017 · First seen by GearPulse Jul 5, 2026
What's in this update
It has improved the AF speed when it is used with the SIGMA sd Quattro series cameras.It has improved the AF performance when it is used with the SIGMA MOUNT CONVERTER MC-11 SA-E.
GearPulse never hosts firmware files — always download from the official source.
Get it from Sigma →