A lot of them are also unoptimised, and that's probably the case with Dynamo. It's rather frustrating because I suck at that sort of thing too.
Depth of field effect supported by external shader file enbeffectprepass.fx, i recommend to use Matso version of it, for example from Skyrim Visual Immersion which is available by this link: This is just the mod with default preset, download customized presets and shaders from the forum or.
