Stacking penalties
From EVE University Wiki
Stacking penalties
Stacking penalties refer to an effectiveness reduction that is incured when using two or more high, mid, and/or low slot modules (mods) that effect the same attribute. Most, but not all, mods show in thier discription if they are subject to this.
The Numbers
1st mod: 100,00% effectiveness
2nd mod: 86,91% effectiveness
3rd mod: 57,06% effectiveness
4th mod: 28,30% effectiveness
5th mod: 10,60% effectiveness
- Shield resist mods incure this penalty for the specific damage resisted when used in conjunction with Invulnerablity Fields