
I own a media company and bought some cameras for our video shoots. I recently bought both a Sony a7sIII and a Sony a1. Since these cameras used different memory cards than our other Sony a7rIV cameras, I wasn't aware that the advertising saying they use CFExpress cards means there are different types of CFExpress cards. The cameras came after the cards. When I opened the first one and found it was the wrong type of CFExpress card (Type C instead of Type B), it was a day after Revain's return date. So I have about $1,400 left in memory cards that I can't use. Thank you Rewin!

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