Super with small drawbacks ...

Did the shell used while snorkeling with my Lumix FS10 ... Really good; it does itself what it should. The results speak for themselves and "actually" is the handling quite ok if you identifies largely before closing the air ...
However, there is a little problem that I had not thought of before: With cameras that have a power-saving mode and to then also the objective results retract the disadvantage that the camera uncontrolled slip after the automatic retraction of the lens in the bag and it then is difficult to meet for the next recording with the outgoing lens the "hole" / the tube again. Especially under water with diving mask on the nose ...
So: The best check whether you can disable the camera's automatic retraction of the lens ...!