The EXIF specification allows to tag an image with a time of finer resolution than just seconds.
With GPS receivers allowing position updates of several positions per second and compasses or IMUs even higher update rates it makes sense to use SubSecTimeOriginal to match with the gps data.
The EXIF specification allows to tag an image with a time of finer resolution than just seconds. With GPS receivers allowing position updates of several positions per second and compasses or IMUs even higher update rates it makes sense to use SubSecTimeOriginal to match with the gps data.