this is one thing that confuses me. On my camera I know where to find the ISO and the f# but I don't know for the life of me how to know what my shutter speed is I have been hear reading a lot about this in the past couple of weeks what shutter speed somebody took that photo on but for the life of me if I was asked that I would have to look like a dill and say I don't know I don't know where to cheek it is the reading in my view finder or where I have read my book but I still don't get it so if you can in layman's terms would prob best if you can. Or how to change it for that matter so how do I know what speed I am shooting at.thank you in advance sorry silly me I have a Nikon D3100