diff --git a/src/nikonmn_int.cpp b/src/nikonmn_int.cpp
index 5f21fba7..fd913bed 100644
--- a/src/nikonmn_int.cpp
+++ b/src/nikonmn_int.cpp
@@ -2372,6 +2372,7 @@ fmountlens[] = {
 {0xFE,0x48,0x37,0x5C,0x24,0x24,0xDF,0x0E,0x01,0x00,0x00, "Tamron", "A007", "SP 24-70mm F/2.8 Di VC USD"},
 //M                                         "Tamron" "73D"    "AF 24-70mm F/3.3-5.6 Aspherical";
 {0xCE,0x47,0x37,0x5C,0x25,0x25,0xDF,0x4E,0x00,0x00,0x00, "Tamron", "A032", "SP 24-70mm F/2.8 Di VC USD G2"},
+{0xCE,0x47,0x37,0x5C,0x25,0x25,0xDF,0x0E,0x00,0x00,0x00, "Tamron", "A032", "SP 24-70mm F/2.8 Di VC USD G2"},
 {0x45,0x41,0x37,0x72,0x2C,0x3C,0x48,0x02,0x00,0x00,0x00, "Tamron", "190D", "SP AF 24-135mm F/3.5-5.6 AD Aspherical (IF) Macro"},
 //M                                         "Tamron" "159D"   "AF 28-70mm F/3.5-4.5";
 //M                                         "Tamron" "259D"   "AF 28-70mm F/3.5-4.5";
diff --git a/test/data/Tamron_SP_24-70mm_F2.8_Di_VC_USD_G2_0E.exv b/test/data/Tamron_SP_24-70mm_F2.8_Di_VC_USD_G2_0E.exv
new file mode 100644
index 00000000..d3c5b9f5
Binary files /dev/null and b/test/data/Tamron_SP_24-70mm_F2.8_Di_VC_USD_G2_0E.exv differ
diff --git a/tests/bugfixes/github/test_pr_1691.py b/tests/bugfixes/github/test_pr_1691.py
new file mode 100644
index 00000000..b5c307aa
--- /dev/null
+++ b/tests/bugfixes/github/test_pr_1691.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, path
+
+class Tamron_SP_24_70mm_F28_Di_VC_USD_G2_0E(metaclass=CaseMeta):
+    url = "https://github.com/Exiv2/exiv2/pull/1691"
+    
+    filename = path("$data_path/Tamron_SP_24-70mm_F2.8_Di_VC_USD_G2_0E.exv")
+    commands = ["$exiv2 -pa --grep lens/i $filename"]
+
+    stderr = [""]
+    stdout = ["""Exif.Nikon3.LensType                         Byte        1  D G VR
+Exif.Nikon3.Lens                             Rational    4  24-70mm F2.8
+Exif.Nikon3.LensFStops                       Undefined   4  5.91667
+Exif.NikonLd3.LensIDNumber                   Byte        1  Tamron SP 24-70mm F/2.8 Di VC USD G2
+Exif.NikonLd3.LensFStops                     Byte        1  F5.9
+"""
+    ]
+    stderr = [""]
+    retval = [0]