Magnified viewfinders improve the ergonomics of your housing, provide a brighter view of the camera's viewfinder, and make it easier to see the edges of the image.
45 Degree Magnified Viewfinder for DSLR and Mirrorless Housings (Type 1)
45 Degree Magnified Viewfinder for DSLR and Mirrorless Housings (Type 2)
Straight Magnified Viewfinder for DSLR and Mirrorless Housings
Viewfinder Removal Tool