After experiments with films all come off after a few weeks at the corners and then go the way of all flesh quickly, I was curious to see how this solution works. Unwrapped, cleaned with the enclosed cleaning cloth the display, mounted, removed again, corrected position again placed - perfect and without any blisters. Budge, served its purpose and can not be seen - neither as a foreign body to the camera even when optical perspective. So I imagined the perfect solution.