Having just obtained the Panasonic Lumix DMC-GH3, the NTSC version, I did a test recording where I fiddle around with settings such as the aperture (the first test, from f3.5 to f22 and back), the shutter speed (from 130 second (the fastest I can use) to, I think, 1400 second), then the ISO from 6400 (the max I can apparently use with video) to 200 (the lowest the camera can use without boosting), and back. No editing was used in this other than deleting the lead-in and lead-out frames. br br The lens in use, the only lens I have right now, is the Panasonic G Vario 14-42 f3.5-5.6. It's a kit lens. However, I have better ones coming, one in shipment right now (the Rokinon 12mm f2).