I may just do my own testing to figured this out, but wondered what people use as the rule of thumb for minimal shutter speed to avoid blur from camera movements. Traditionally, I have always been told to keep the shutter speed higher than the effective focal length of the lens. So on a FF with a 50mm, you could safely shoot at 1/50th. With an APS-C, you generally need to keep it above 1/80. With the in body stabilization, I had read reviews before getting the camera that suggested the OM-D could produce clear results at crazy slow shutter speeds, less than the actual focal length, but I am not seeing that from my limited use of the Panasonic 20mm and recently delivered Olympus 40mm. What do you usually use as minimum shutter speed when shooting with these lenses?