Hi, For the last year I've been using the Lumix GF1 with 20mm f1.7 I recently purchased the OM-D EM-5 with the 12-50mm and the 17mm f1.8 (the 17mm arrived today). I haven't had a chance to proberly use it yet but what I'm seeing after firing off a few test shots around the house has me worried. With the iso set to auto mode (ISO-A) I'm finding that the EM-5 is setting the iso to on average 1600 (sometimes much higher) where as if I put the same lens (17mm) on the GF1 and take the same shots, with the same lighting the average iso is 400 never higher; and that's with the GF1 set to auto or iISO. I've tried this with all 3 lenses on both cameras and the high auto iso issue is only happening on the EM-5. I've tested it while on firmware 1.2, 1.4 and 1.5 for the EM-5. Does this sound like there is a problem with the camera? I'm so used to getting low iso in these light conditions with the Panasonic 20mm f1.7 I was shocked to see the f1.8 not going below 1600.Advertisement Thank you for your input.