My Sigma 120-300 S had a front focusing problem and I was able to correct it with the dock. I had to call Sigma tech support to find out what focal length and distances to use for calibration.
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Re: Dock/firmware for Sigma 150-600 lenses question
My Sigma 120-300 S had a front focusing problem and I was able to correct it with the dock. I had to call Sigma tech support to find out what focal length and distances to use for calibration.
Andy W Today, 01:29 PM