α User Guide (Printable PDF)
Page 376
... that you repeatedly shoot and delete images for stable performance of the memory card before shooting. We recommend backing up to 64 GB have been tested and proven to operate with your images to a computer or other storage location, then execute [Format]. Doing so will cause a malfunction. If you format the... guaranteed to operate with corrosive substances present Do not expose the memory card to water. Help Guide Find How to Use Interchangeable Lens Digital Camera ILCE-7/ILCE-7R Memory card Memory card Card Type Indications in the middle of shooting.
... that you repeatedly shoot and delete images for stable performance of the memory card before shooting. We recommend backing up to 64 GB have been tested and proven to operate with your images to a computer or other storage location, then execute [Format]. Doing so will cause a malfunction. If you format the... guaranteed to operate with corrosive substances present Do not expose the memory card to water. Help Guide Find How to Use Interchangeable Lens Digital Camera ILCE-7/ILCE-7R Memory card Memory card Card Type Indications in the middle of shooting.