A few months ago I traveled to the jungles of Panama & Costa Rica with the primary intent of trying out the new Olympus M.Zuiko 300mm f4.0 PRO lens (equivalent to 600mm full frame). I decided to break the trip into 3 posts. The first one being Fauna, the second one will be Flora and the last one will be Patterns. 80% of the images were shot with the OM-D E-M1 and the remaining ones were shot with the OM-D E-M5 MkII. The ISO’s averaged between 1,000 and 5,000. I was not disappointed with the results, however, I’ll let you be the judge.
Frank's Photography Blog 