Complex sentence: The rotary shutter proved to be very simple to construct, accurate and reliable in these cameras, though in the case of the Univex it resulted in a very strange "hump" on top of the camera to cover the shutter disk.
Split into simpler sentences: The rotary shutter proved to be very simple to construct, accurate and reliable in these cameras. Though, in the case of the Univex, it resulted in a very strange "hump" on top of the camera to cover the shutter disk.