I've noticed there are several different types of screen protectors present for DSLR cameras. I've actually used and tested all of them, but i'm interested to see what the wider community feels and what benefits people see when comparing different types of protectors.
The three most commonly used ones (that i've come across) are (and in order of price):
I've had issues with all three and there's benefit in all three as well. Does anyone has a well informed opinion as to which one is generally better?