Maybe this from exiftool - Canon.pm will help?
0x93 => { %ciMinFocal }, #15
0x95 => { %ciMaxFocal }, #15
0x97 => { #15
Name => 'LensType',
Format => 'int16uRev', # value is big-endian
SeparateTable => 1,
ValueConvInv => 'int($val)', # (must truncate decimal part)
PrintConv => \%canonLensTypes,
},
0xa4 => { #PH
Name => 'FirmwareRevision',
Format => 'string[8]',
},