More lens makers need to mark their lens where the Entrance Pupil are.
It's useful information for panorama imaging. And it's completely inexpensive to implement.
Between this and the new Hydro-phobia front element coating:
https://www.youtube.com/watch?v=LvcajWh4nwQLaowa is starting to look more and more innovative despite that stupid stereotype about the Chinese being incapable of innovating.
