{ 0x020d, EXIF_FORMAT_STRING, -1, "Epson.Manufacturer", "Manufacturer", NULL },
{ 0x0e00, EXIF_FORMAT_BYTE, -1, "Olympus.PrintImageMatching", "Print image matching", NULL },
{ 0x1004, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FlashMode", "Flash mode", OlympusTagFlashMode },
-{ 0x1006, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Bracket", "Bracket", NULL },
+{ 0x1006, EXIF_FORMAT_RATIONAL, 1, "Olympus.Bracket", "Bracket", NULL },
{ 0x100b, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FocusMode", "Focus mode", OlympusTagFocusMode },
-{ 0x100c, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FocusDistance", "Focus distance", NULL },
+{ 0x100c, EXIF_FORMAT_RATIONAL_UNSIGNED, 1, "Olympus.FocusDistance", "Focus distance", NULL },
{ 0x100d, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Zoom", "Zoom", NULL },
{ 0x1006, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.MacroFocus", "Macro focus", NULL },
{ 0x100f, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Sharpness", "Sharpness", OlympusTagSharpness },
{ 0x1015, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.WhiteBalance", "White balance", NULL },
{ 0x1017, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.RedBias", "Red bias", NULL },
{ 0x1018, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.BlueBias", "Blue bias", NULL },
-{ 0x101a, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.SerialNumber", "Serial number", NULL },
-{ 0x1023, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FlashBias", "Flash bias", NULL },
+{ 0x101a, EXIF_FORMAT_STRING, -1, "Olympus.SerialNumber", "Serial number", NULL },
+{ 0x1023, EXIF_FORMAT_RATIONAL, 1, "Olympus.FlashBias", "Flash bias", NULL },
{ 0x1029, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Contrast", "Contrast", OlympusTagContrast },
{ 0x102a, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.SharpnessFactor", "Sharpness factor", NULL },
{ 0x102b, EXIF_FORMAT_SHORT_UNSIGNED, 6, "Olympus.ColorControl", "Color control", NULL },