Canon Community

I am using the canon 24-104 l lens and it does it on any setting but I want to keep iso and aperture the same, just have the shutter speed change

I just Bought the 6D specificaly for is much touted low light abilities and find myself having the same issue. I will go out side set up the camera on a tripod, aim it at a lake behind the house I will have the camera set to manual mode and open at 4...