diff --git a/ccd_defs.json b/ccd_defs.json
index 6d642c1b..e38123d9 100644
--- a/ccd_defs.json
+++ b/ccd_defs.json
@@ -299,5 +299,6 @@
   "Apple iPhone 5s": 8.46,
   "SONY ILCE-7S": 35.8,
   "Garmin VIRB": 6.17,
-  "Mobius Action Cam": 2.1
+  "Mobius Action Cam": 2.1,
+  "Canon Canon EOS 5D Mark II": 36.0
 }