I do not know this guy but with this decision he seems very clever to…
A custom eyecup that fits perfectly to the Canon C100, transforming the EVF from “unusable” into ideal.
The C-Cup is a traditionally shaped eyecup designed to fit perfectly to the Canon C100, improving the camera’s electronic viewfinder and overall ergonomics. Anyone who has picked up the camera knows that the C100’s EVF is not what it could be. In the C-Cup, we’ve designed a simple and inexpensive solution that makes the C100’s viewfinder what it should have been in the first place.