A magnified viewfinder will completely transform the way you shoot your DSLR or mirrorless camera underwater. Magnified viewfinders are more ergonomic than a traditional viewfinder in addition to providing a bigger, brighter view.
45º Magnified Viewfinder (Type 1) # 6891.1
45º Magnified Viewfinder (Type 2) # 6891.2
Straight Magnified Viewfinder # 6890.2