diff --git a/piexif/_exif.py b/piexif/_exif.py
index abdf0bc..a629764 100644
--- a/piexif/_exif.py
+++ b/piexif/_exif.py
@@ -198,6 +198,8 @@ class TYPES:
                51008: {'name': 'OpcodeList1', 'type': TYPES.Undefined},
                51009: {'name': 'OpcodeList2', 'type': TYPES.Undefined},
                51022: {'name': 'OpcodeList3', 'type': TYPES.Undefined},
+               51105: {'name': 'CameraLabel', 'type': TYPES.Ascii},
+               51112: {'name': 'RawToPreviewGain', 'type': TYPES.DFloat},
                60606: {'name': 'ZZZTestSlong1', 'type': TYPES.SLong},
                60607: {'name': 'ZZZTestSlong2', 'type': TYPES.SLong},
                60608: {'name': 'ZZZTestSByte', 'type': TYPES.SByte},