SIGMA service notice 120-400OS and 150-500 OS lenses on a 40D

SIGMA service notice 120-400OS and 150-500 OS lenses on a 40D

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SIGMA corporation has today issued a Service Notice to all users of 120-400 OS and 150-500 OS lenses for CANON: when used in combination with a 40D and the 40D is set to SERVO AF, the number of continuous shots per second will decrease...
Affected are all lenses 120-400 OS with serial number lower than 1011001, and 150-500 OS with serial number lower than 1007001, higher numbered lenses already have an upgraded chipset.

The effected lenses will be rechipped by SIGMA for free.


Kindest regards!

Max@Home