Question about decent SE post-BB

I'm wondering if decent Sharp Eyes gives max or min critical damage after big bang, and how much %critical rate and max/min critical damage does it give?

Beginner:
Critical Damage Maximum - 15

Bowman:
Critical Damage Maximum - 30

Beginner:
Critical Damage Maximum - 15

Bowman:
Critical Damage Maximum - 30

Thx, it helps a lot!