It provides much improved viewing over stock view-finders, especially if you only have the LCD monitor to compose shots with, it allows a great deal more light to come through, resulting in a crisper, clearer, brighter image, pushing the viewfinder gently against your eye provides a third point of contact and, therefore, greater stability.
4:3 viewfinder suitable models: 5D MARK Ⅱ, 7D and so on.
3:2 viewfinder suitable models: 60D, 600D and so on.
4:3 viewfinder suitable models: 5D MARK Ⅱ, 7D and so on.
3:2 viewfinder suitable models: 60D, 600D and so on.
Material: ABS plastic, optical coated glass, rubber