1:1 Aspect Ratio - Square

1.0 to 1.0 or 1:1 – A 1:1 aspect ratio provides a perfectly squared screen format for overhead projectors (OHP) and is commonly used in Educational/Classroom environments. Choose this screen format if you are using a native SVGA/XGA Projector and definitely use an OHP or 1:1 slide projector for your presentations.