17-70mm F2.8-4 DC MACRO OS HSM | Contemporary (SIGMA SA-mount)
Sigma · Lens
Firmware history
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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.
Release notes & download → -
Version 1.01 Sep 20, 2013
It has improved the stability of the Optical Stabilizer’s operation.
Release notes & download →
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