I don't think a loupe will help at all. The image onscreen can be zoomed in to 400%, waaay beyond the 160% or so that I find works well for checking focus.
The real issue is that because the screen in reflective, it reflects your face in the image you are trying to view.
What is required is come kind of shade that covers both the screen itself, and your face.
The real issue is that because the screen in reflective, it reflects your face in the image you are trying to view.
What is required is come kind of shade that covers both the screen itself, and your face.