Grv_0071.jpg Here

: 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_ ).

Default image file names from various brands : r/photography grV_0071.JPG

If this image is part of a research dataset or a figure from a publication, you can find the original paper by: : The prefix "grV" is not a standard

: 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. grV_0071.JPG