diff --git a/src/pentaxmn_int.cpp b/src/pentaxmn_int.cpp
index e53a71c6..de1ba757 100644
--- a/src/pentaxmn_int.cpp
+++ b/src/pentaxmn_int.cpp
@@ -776,7 +776,9 @@ namespace Exiv2 {
         { 0x0402, "smc PENTAX-FA 80-320mm F4.5-5.6" },
         { 0x0403, "smc PENTAX-FA 43mm F1.9 Limited" },
         { 0x0406, "smc PENTAX-FA 35-80mm F4-5.6" },
-        { 0x040a, "Irix 15mm F2.4" },
+        { 0x0408, "Irix 150mm F/2.8 Macro" },
+        { 0x0409, "Irix 11mm F/4" },
+        { 0x040a, "Irix 15mm F/2.4" },
         { 0x040c, "smc PENTAX-FA 50mm F1.4" },
         { 0x040f, "smc PENTAX-FA 28-105mm F4-5.6 [IF]" },
         { 0x0410, "Tamron AF 80-210mm F4-5.6 (178D)" },