Thanks a lot guys! It’s really nice to meet with a response like this!
I’m sorry for a delay to answer some questions, but being busy...
Roentarre > it's true that Elitechrome is sort of "extinct" nowdays ... Maybe not allways on stoc, but we are still managing to find some. And I hope so for the near future.
tranq78 > I didn't use a polarizer, but just ordinary UV. The only reason to use the filter was to protect the lens against sand as it was constantly windy. Unfortunately with all carefulness one of the cameras blocked