In my last blog post I talked about the Focus Screen on your camera and what it does. This week I am writing part two of this article on how to replace or clean your Focus Screen properly so that you can always have a clear viewfinder to look through. To remove your Focus Screen for cleaning or replacement, you need a Focus Screen tool. This is a special, plastic, tweezer-like tool that can grab the Focus Screen by it’s little tab and remove it safely. If you take off your lens and lay the camera on it’s back, look …