: The prefix "grV" is not a standard default for major camera brands like Canon (which typically uses IMG_ or custom 4-character codes) or Nikon (which uses DSC_ ).
: Check the image's EXIF data for "Copyright" or "Author" fields, which may contain the name of the researcher or institution. grV_0071.JPG
: High-end cameras, such as the Canon EOS R5 or EOS-1D series , allow users to set a custom 4-character prefix for specific shoots or projects. : The prefix "grV" is not a standard
In digital photography and research databases, filenames often follow these standard conventions: filenames often follow these standard conventions: