Sony Announces Replacement Program for Select SD Memory Cards

From Sony:

"Regarding SD memory cards of SF-M series, SF-M series TOUGH specification, and SF-G series TOUGH specification, recorded data on the card may be damaged or data may not be recorded correctly when shooting video on a camera* in video speed class mode.
* The camera compatible with video speed class V60/V90 etc. as recommended recording media."

Visit Sony's service notice page to identify and replace affected cards.